fix link deadlock when setting LINK.host to $(LINK)
fix link deadlock when setting LINK.host to $(LINK)

This resulted in double call to flock on linux/make.

BUG=http://code.google.com/p/chromium/issues/detail?id=143274

Review URL: https://chromiumcodereview.appspot.com/10854195

git-svn-id: e7e1075985beda50ea81ac4472467b4f6e91fc78@1472 78cadc50-ecff-11dd-a971-7dbc132099af

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