Fix test/variables/commands/update_golden. 
Fix test/variables/commands/update_golden. 

Without this fix, 

cd test/variables/commands && ./update_golden && cd - && \ 
./gyptest.py test/variables/commands 

led to failing tests. Now it works.
TBR=scottmg

Review URL: https://codereview.chromium.org/16047006

git-svn-id: e7e1075985beda50ea81ac4472467b4f6e91fc78@1639 78cadc50-ecff-11dd-a971-7dbc132099af

turbulenz/gyp,svn2github/kgyp,LazyCodingCat/gyp,mumble-voip/libmumble-gyp,turbulenz/gyp,azunite/gyp,cchamberlain/gyp,ttyangf/gyp,android-ia/platform_external_chromium_org_tools_gyp,Jack-Q/GYP-copy,openpeer/webrtc-gyp,pandaxcl/gyp,sanyaade-teachings/gyp,trafi/gyp,bulldy80/gyp_unofficial,mumble-voip/libmumble-gyp,trafi/gyp,bnoordhuis/gyp,omasanori/gyp,Phuehvk/gyp,saghul/gyn,saghul/gyn,yinquan529/platform-external-chromium_org-tools-gyp,xin3liang/platform_external_chromium_org_tools_gyp,dougbeal/gyp,carlTLR/gyp,AWhetter/gyp,okumura/gyp,bulldy80/gyp_unofficial,enkripsi/gyp,clar/gyp,xin3liang/platform_external_chromium_org_tools_gyp,dougbeal/gyp,bnq4ever/gypgoogle,springmeyer/gyp,pyokagan/gyp,MIPS/external-chromium_org-tools-gyp,ttyangf/gyp,ryfx/gyp,chromium/gyp,Chilledheart/gyp,svn2github/gyp,AWhetter/gyp,bulldy80/gyp_unofficial,pyokagan/gyp,svn2github/gyp,bpsinc-native/src_tools_gyp,MIPS/external-chromium_org-tools-gyp,mumble-voip/libmumble-gyp,Phuehvk/gyp,AOSPU/external_chromium_org_tools_gyp,sdklite/gyp,cysp/gyp,dougbeal/gyp,mgamer/gyp,cchamberlain/gyp,enkripsi/gyp,cchamberlain/gyp,ryfx/gyp,AWhetter/gyp,msc-/gyp,mgamer/gyp,Phuehvk/gyp,erikge/watch_gyp,Chilledheart/gyp,yinquan529/platform-external-chromium_org-tools-gyp,springmeyer/gyp,saghul/gyn,svn2github/kgyp,cchamberlain/gyp,ttyangf/pdfium_gyp,AOSPU/external_chromium_org_tools_gyp,Phuehvk/gyp,android-ia/platform_external_chromium_org_tools_gyp,sport-monkey/GYP,yangrongwei/gyp,sanyaade-teachings/gyp,luvit/gyp,adblockplus/gyp,yangrongwei/gyp,amoikevin/gyp,bnq4ever/gypgoogle,enkripsi/gyp,azunite/gyp_20150930,turbulenz/gyp,okwasi/gyp,mistydemeo/gyp,Phuehvk/gyp,kevinchen3315/gyp-git,tarc/gyp,xin3liang/platform_external_chromium_org_tools_gyp,android-ia/platform_external_chromium_org_tools_gyp,chromium/gyp,springmeyer/gyp,IllusionRom-deprecated/android_platform_external_chromium_org_tools_gyp,msc-/gyp,yjhjstz/gyp,erikge/watch_gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,okwasi/gyp,trafi/gyp,kevinchen3315/gyp-git,sport-monkey/GYP,mapbox/gyp,IllusionRom-deprecated/android_platform_external_chromium_org_tools_gyp,duanhjlt/gyp,bnq4ever/gypgoogle,Chilledheart/gyp,yjhjstz/gyp,sport-monkey/GYP,yjhjstz/gyp,mgamer/gyp,clar/gyp,tarc/gyp,sloanyang/gyp,IllusionRom-deprecated/android_platform_external_chromium_org_tools_gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,Omegaphora/external_chromium_org_tools_gyp,azunite/gyp_20150930,okwasi/gyp,yjhjstz/gyp,msc-/gyp,amoikevin/gyp,springmeyer/gyp,Jack-Q/GYP-copy,pandaxcl/gyp,AOSPU/external_chromium_org_tools_gyp,carlTLR/gyp,svn2github/kgyp,sport-monkey/GYP,mistydemeo/gyp,MIPS/external-chromium_org-tools-gyp,clar/gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,tarc/gyp,alexcrichton/gyp,azunite/gyp_20150930,openpeer/webrtc-gyp,chromium/gyp,cysp/gyp,chromium/gyp,bpsinc-native/src_tools_gyp,sport-monkey/GYP,sanyaade-teachings/gyp,ttyangf/gyp,MIPS/external-chromium_org-tools-gyp,springmeyer/gyp,yinquan529/platform-external-chromium_org-tools-gyp,Jack-Q/GYP-copy,clar/gyp,bpsinc-native/src_tools_gyp,kevinchen3315/gyp-git,openpeer/webrtc-gyp,svn2github/gyp,pyokagan/gyp,sdklite/gyp,luvit/gyp,dougbeal/gyp,sloanyang/gyp,turbulenz/gyp,brson/gyp,sdklite/gyp,erikge/watch_gyp,AWhetter/gyp,ttyangf/gyp,brson/gyp,Danath/gyp,ryfx/gyp,pandaxcl/gyp,bulldy80/gyp_unofficial,LazyCodingCat/gyp,svn2github/gyp,dougbeal/gyp,azunite/gyp,sloanyang/gyp,luvit/gyp,bnoordhuis/gyp,Jack-Q/GYP-copy,cysp/gyp,Omegaphora/external_chromium_org_tools_gyp,alexcrichton/gyp,mapbox/gyp,Danath/gyp,openpeer/webrtc-gyp,duanhjlt/gyp,yjhjstz/gyp,LazyCodingCat/gyp,svn2github/gyp,cysp/gyp,pyokagan/gyp,mistydemeo/gyp,tarc/gyp,Omegaphora/external_chromium_org_tools_gyp,duanhjlt/gyp,adblockplus/gyp,amoikevin/gyp,amoikevin/gyp,carlTLR/gyp,bnoordhuis/gyp,okumura/gyp,turbulenz/gyp,mgamer/gyp,amoikevin/gyp,bulldy80/gyp_unofficial,ttyangf/pdfium_gyp,brson/gyp,sloanyang/gyp,luvit/gyp,LazyCodingCat/gyp,bnq4ever/gypgoogle,LazyCodingCat/gyp,chromium/gyp,Danath/gyp,mumble-voip/libmumble-gyp,Jack-Q/GYP-copy,carlTLR/gyp,brson/gyp,xin3liang/platform_external_chromium_org_tools_gyp,ttyangf/pdfium_gyp,pandaxcl/gyp,alexcrichton/gyp,omasanori/gyp,omasanori/gyp,azunite/gyp,bnoordhuis/gyp,cchamberlain/gyp,msc-/gyp,okumura/gyp,erikge/watch_gyp,svn2github/kgyp,svn2github/kgyp,sdklite/gyp,Chilledheart/gyp,enkripsi/gyp,tarc/gyp,adblockplus/gyp,alexcrichton/gyp,okwasi/gyp,adblockplus/gyp,erikge/watch_gyp,msc-/gyp,azunite/gyp_20150930,pyokagan/gyp,mgamer/gyp,AWhetter/gyp,cysp/gyp,mapbox/gyp,bpsinc-native/src_tools_gyp,ryfx/gyp,bnq4ever/gypgoogle,Chilledheart/gyp,yinquan529/platform-external-chromium_org-tools-gyp,mistydemeo/gyp,Danath/gyp,clar/gyp,yangrongwei/gyp,azunite/gyp,enkripsi/gyp,azunite/gyp,omasanori/gyp,saghul/gyn,geekboxzone/lollipop_external_chromium_org_tools_gyp,adblockplus/gyp,Omegaphora/external_chromium_org_tools_gyp,Danath/gyp,saghul/gyn,AOSPU/external_chromium_org_tools_gyp,ryfx/gyp,android-ia/platform_external_chromium_org_tools_gyp,ttyangf/pdfium_gyp,trafi/gyp,mapbox/gyp,IllusionRom-deprecated/android_platform_external_chromium_org_tools_gyp,duanhjlt/gyp,ttyangf/pdfium_gyp,mapbox/gyp,bnoordhuis/gyp,yangrongwei/gyp,carlTLR/gyp,pandaxcl/gyp,okumura/gyp,duanhjlt/gyp,azunite/gyp_20150930,sanyaade-teachings/gyp,sdklite/gyp,openpeer/webrtc-gyp,sanyaade-teachings/gyp,ttyangf/gyp,trafi/gyp,kevinchen3315/gyp-git