fix another silly warning diagnosis in net/dns unittest
fix another silly warning diagnosis in net/dns unittest

net\dns\dns_config_service_win_unittest.cc(100) : warning C4703: potentially uninitialized local pointer variable 'address' used

R=rsleevi@chromium.org
BUG=143646

Review URL: https://codereview.chromium.org/11230015

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@163104 0039d316-1c4b-4281-b951-d872f2087c98

junmin-zhu/chromium-rivertrail,zcbenz/cefode-chromium,Pluto-tv/chromium-crosswalk,Pluto-tv/chromium-crosswalk,mogoweb/chromium-crosswalk,mogoweb/chromium-crosswalk,krieger-od/nwjs_chromium.src,crosswalk-project/chromium-crosswalk-efl,Fireblend/chromium-crosswalk,zcbenz/cefode-chromium,bright-sparks/chromium-spacewalk,PeterWangIntel/chromium-crosswalk,Pluto-tv/chromium-crosswalk,chuan9/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,PeterWangIntel/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,jaruba/chromium.src,dednal/chromium.src,ltilve/chromium,littlstar/chromium.src,pozdnyakov/chromium-crosswalk,Fireblend/chromium-crosswalk,timopulkkinen/BubbleFish,junmin-zhu/chromium-rivertrail,ondra-novak/chromium.src,Fireblend/chromium-crosswalk,dednal/chromium.src,littlstar/chromium.src,dednal/chromium.src,M4sse/chromium.src,patrickm/chromium.src,markYoungH/chromium.src,dushu1203/chromium.src,fujunwei/chromium-crosswalk,junmin-zhu/chromium-rivertrail,hgl888/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,Chilledheart/chromium,ondra-novak/chromium.src,TheTypoMaster/chromium-crosswalk,krieger-od/nwjs_chromium.src,M4sse/chromium.src,hujiajie/pa-chromium,dednal/chromium.src,M4sse/chromium.src,hujiajie/pa-chromium,dednal/chromium.src,Jonekee/chromium.src,markYoungH/chromium.src,nacl-webkit/chrome_deps,nacl-webkit/chrome_deps,zcbenz/cefode-chromium,timopulkkinen/BubbleFish,ltilve/chromium,crosswalk-project/chromium-crosswalk-efl,jaruba/chromium.src,dednal/chromium.src,mogoweb/chromium-crosswalk,nacl-webkit/chrome_deps,jaruba/chromium.src,anirudhSK/chromium,Fireblend/chromium-crosswalk,krieger-od/nwjs_chromium.src,patrickm/chromium.src,Chilledheart/chromium,anirudhSK/chromium,bright-sparks/chromium-spacewalk,krieger-od/nwjs_chromium.src,crosswalk-project/chromium-crosswalk-efl,Chilledheart/chromium,hgl888/chromium-crosswalk,axinging/chromium-crosswalk,Fireblend/chromium-crosswalk,anirudhSK/chromium,hgl888/chromium-crosswalk-efl,M4sse/chromium.src,Just-D/chromium-1,nacl-webkit/chrome_deps,hujiajie/pa-chromium,M4sse/chromium.src,junmin-zhu/chromium-rivertrail,timopulkkinen/BubbleFish,axinging/chromium-crosswalk,markYoungH/chromium.src,crosswalk-project/chromium-crosswalk-efl,M4sse/chromium.src,anirudhSK/chromium,littlstar/chromium.src,nacl-webkit/chrome_deps,ondra-novak/chromium.src,patrickm/chromium.src,chuan9/chromium-crosswalk,Chilledheart/chromium,timopulkkinen/BubbleFish,markYoungH/chromium.src,ChromiumWebApps/chromium,ChromiumWebApps/chromium,PeterWangIntel/chromium-crosswalk,fujunwei/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,hujiajie/pa-chromium,timopulkkinen/BubbleFish,Fireblend/chromium-crosswalk,dednal/chromium.src,zcbenz/cefode-chromium,hgl888/chromium-crosswalk-efl,littlstar/chromium.src,dushu1203/chromium.src,Just-D/chromium-1,jaruba/chromium.src,pozdnyakov/chromium-crosswalk,krieger-od/nwjs_chromium.src,krieger-od/nwjs_chromium.src,Jonekee/chromium.src,anirudhSK/chromium,Jonekee/chromium.src,TheTypoMaster/chromium-crosswalk,markYoungH/chromium.src,Jonekee/chromium.src,Pluto-tv/chromium-crosswalk,hgl888/chromium-crosswalk,dushu1203/chromium.src,mogoweb/chromium-crosswalk,Just-D/chromium-1,Just-D/chromium-1,axinging/chromium-crosswalk,fujunwei/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,nacl-webkit/chrome_deps,Just-D/chromium-1,ChromiumWebApps/chromium,hgl888/chromium-crosswalk-efl,M4sse/chromium.src,ondra-novak/chromium.src,TheTypoMaster/chromium-crosswalk,hgl888/chromium-crosswalk-efl,Pluto-tv/chromium-crosswalk,hujiajie/pa-chromium,hgl888/chromium-crosswalk,chuan9/chromium-crosswalk,zcbenz/cefode-chromium,markYoungH/chromium.src,littlstar/chromium.src,axinging/chromium-crosswalk,M4sse/chromium.src,ChromiumWebApps/chromium,Fireblend/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,Just-D/chromium-1,junmin-zhu/chromium-rivertrail,crosswalk-project/chromium-crosswalk-efl,jaruba/chromium.src,markYoungH/chromium.src,anirudhSK/chromium,krieger-od/nwjs_chromium.src,axinging/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,hujiajie/pa-chromium,fujunwei/chromium-crosswalk,junmin-zhu/chromium-rivertrail,hgl888/chromium-crosswalk,dednal/chromium.src,Chilledheart/chromium,ChromiumWebApps/chromium,littlstar/chromium.src,ltilve/chromium,ChromiumWebApps/chromium,ondra-novak/chromium.src,patrickm/chromium.src,patrickm/chromium.src,axinging/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,anirudhSK/chromium,patrickm/chromium.src,zcbenz/cefode-chromium,crosswalk-project/chromium-crosswalk-efl,hgl888/chromium-crosswalk,krieger-od/nwjs_chromium.src,ondra-novak/chromium.src,hgl888/chromium-crosswalk-efl,hgl888/chromium-crosswalk-efl,M4sse/chromium.src,mohamed--abdel-maksoud/chromium.src,Fireblend/chromium-crosswalk,markYoungH/chromium.src,fujunwei/chromium-crosswalk,hujiajie/pa-chromium,krieger-od/nwjs_chromium.src,anirudhSK/chromium,Jonekee/chromium.src,mogoweb/chromium-crosswalk,Jonekee/chromium.src,jaruba/chromium.src,ondra-novak/chromium.src,ChromiumWebApps/chromium,TheTypoMaster/chromium-crosswalk,chuan9/chromium-crosswalk,ltilve/chromium,nacl-webkit/chrome_deps,hujiajie/pa-chromium,dednal/chromium.src,dushu1203/chromium.src,markYoungH/chromium.src,anirudhSK/chromium,bright-sparks/chromium-spacewalk,hujiajie/pa-chromium,patrickm/chromium.src,nacl-webkit/chrome_deps,pozdnyakov/chromium-crosswalk,ondra-novak/chromium.src,timopulkkinen/BubbleFish,fujunwei/chromium-crosswalk,Chilledheart/chromium,TheTypoMaster/chromium-crosswalk,ondra-novak/chromium.src,timopulkkinen/BubbleFish,mogoweb/chromium-crosswalk,M4sse/chromium.src,jaruba/chromium.src,patrickm/chromium.src,littlstar/chromium.src,anirudhSK/chromium,anirudhSK/chromium,hgl888/chromium-crosswalk-efl,mohamed--abdel-maksoud/chromium.src,mogoweb/chromium-crosswalk,ChromiumWebApps/chromium,pozdnyakov/chromium-crosswalk,pozdnyakov/chromium-crosswalk,junmin-zhu/chromium-rivertrail,Pluto-tv/chromium-crosswalk,ChromiumWebApps/chromium,Chilledheart/chromium,junmin-zhu/chromium-rivertrail,junmin-zhu/chromium-rivertrail,PeterWangIntel/chromium-crosswalk,zcbenz/cefode-chromium,pozdnyakov/chromium-crosswalk,chuan9/chromium-crosswalk,ltilve/chromium,anirudhSK/chromium,Jonekee/chromium.src,dushu1203/chromium.src,zcbenz/cefode-chromium,ltilve/chromium,nacl-webkit/chrome_deps,nacl-webkit/chrome_deps,chuan9/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,Chilledheart/chromium,Jonekee/chromium.src,Just-D/chromium-1,hgl888/chromium-crosswalk,hujiajie/pa-chromium,TheTypoMaster/chromium-crosswalk,markYoungH/chromium.src,pozdnyakov/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,pozdnyakov/chromium-crosswalk,patrickm/chromium.src,jaruba/chromium.src,bright-sparks/chromium-spacewalk,fujunwei/chromium-crosswalk,pozdnyakov/chromium-crosswalk,bright-sparks/chromium-spacewalk,fujunwei/chromium-crosswalk,ChromiumWebApps/chromium,nacl-webkit/chrome_deps,Pluto-tv/chromium-crosswalk,dushu1203/chromium.src,zcbenz/cefode-chromium,Pluto-tv/chromium-crosswalk,Jonekee/chromium.src,markYoungH/chromium.src,axinging/chromium-crosswalk,dushu1203/chromium.src,jaruba/chromium.src,ltilve/chromium,mogoweb/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,Fireblend/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,pozdnyakov/chromium-crosswalk,dednal/chromium.src,mohamed--abdel-maksoud/chromium.src,zcbenz/cefode-chromium,Pluto-tv/chromium-crosswalk,axinging/chromium-crosswalk,junmin-zhu/chromium-rivertrail,Just-D/chromium-1,bright-sparks/chromium-spacewalk,chuan9/chromium-crosswalk,ChromiumWebApps/chromium,bright-sparks/chromium-spacewalk,ChromiumWebApps/chromium,hgl888/chromium-crosswalk,bright-sparks/chromium-spacewalk,Jonekee/chromium.src,axinging/chromium-crosswalk,mogoweb/chromium-crosswalk,littlstar/chromium.src,hgl888/chromium-crosswalk-efl,hgl888/chromium-crosswalk,timopulkkinen/BubbleFish,mohamed--abdel-maksoud/chromium.src,dednal/chromium.src,axinging/chromium-crosswalk,hujiajie/pa-chromium,bright-sparks/chromium-spacewalk,chuan9/chromium-crosswalk,dushu1203/chromium.src,mohamed--abdel-maksoud/chromium.src,junmin-zhu/chromium-rivertrail,mogoweb/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,Chilledheart/chromium,timopulkkinen/BubbleFish,jaruba/chromium.src,axinging/chromium-crosswalk,fujunwei/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,timopulkkinen/BubbleFish,hgl888/chromium-crosswalk-efl,chuan9/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,dushu1203/chromium.src,zcbenz/cefode-chromium,pozdnyakov/chromium-crosswalk,M4sse/chromium.src,dushu1203/chromium.src,krieger-od/nwjs_chromium.src,timopulkkinen/BubbleFish,mohamed--abdel-maksoud/chromium.src,dushu1203/chromium.src,jaruba/chromium.src,krieger-od/nwjs_chromium.src,ltilve/chromium,hgl888/chromium-crosswalk-efl,Just-D/chromium-1,Jonekee/chromium.src,ltilve/chromium