config: fix Unicode BOM detection
config: fix Unicode BOM detection

Defining the BOM as a string makes the array include the
NUL-terminator, which means that the memcpy is going to check for that
as well and thus never match for a nonempty file.

Define the array as three chars, which makes the size correct.

spraints/libgit2,dleehr/libgit2,raybrad/libit2,dleehr/libgit2,evhan/libgit2,t0xicCode/libgit2,mrksrm/Mingijura,saurabhsuniljain/libgit2,mingyaaaa/libgit2,t0xicCode/libgit2,mcanthony/libgit2,JIghtuse/libgit2,zodiac/libgit2.js,dleehr/libgit2,skabel/manguse,kissthink/libgit2,yosefhackmon/libgit2,nokiddin/libgit2,Tousiph/Demo1,yosefhackmon/libgit2,rcorre/libgit2,stewid/libgit2,mrksrm/Mingijura,stewid/libgit2,skabel/manguse,kissthink/libgit2,rcorre/libgit2,mhp/libgit2,kissthink/libgit2,dleehr/libgit2,yongthecoder/libgit2,chiayolin/libgit2,evhan/libgit2,yosefhackmon/libgit2,maxiaoqian/libgit2,leoyanggit/libgit2,yongthecoder/libgit2,yosefhackmon/libgit2,swisspol/DEMO-libgit2,saurabhsuniljain/libgit2,sim0629/libgit2,kissthink/libgit2,joshtriplett/libgit2,yosefhackmon/libgit2,chiayolin/libgit2,sygool/libgit2,whoisj/libgit2,linquize/libgit2,MrHacky/libgit2,linquize/libgit2,oaastest/libgit2,swisspol/DEMO-libgit2,Aorjoa/libgit2_maked_lib,mcanthony/libgit2,nokiddin/libgit2,magnus98/TEST,nacho/libgit2,mcanthony/libgit2,magnus98/TEST,Corillian/libgit2,jflesch/libgit2-mariadb,sygool/libgit2,KTXSoftware/libgit2,MrHacky/libgit2,iankronquist/libgit2,claudelee/libgit2,sim0629/libgit2,jflesch/libgit2-mariadb,amyvmiwei/libgit2,leoyanggit/libgit2,oaastest/libgit2,Corillian/libgit2,swisspol/DEMO-libgit2,claudelee/libgit2,oaastest/libgit2,spraints/libgit2,Snazz2001/libgit2,jeffhostetler/public_libgit2,mhp/libgit2,Snazz2001/libgit2,sim0629/libgit2,nokiddin/libgit2,evhan/libgit2,Tousiph/Demo1,jamieleecool/ptest,chiayolin/libgit2,amyvmiwei/libgit2,ardumont/libgit2,JIghtuse/libgit2,saurabhsuniljain/libgit2,kissthink/libgit2,JIghtuse/libgit2,iankronquist/libgit2,jflesch/libgit2-mariadb,jflesch/libgit2-mariadb,since2014/libgit2,magnus98/TEST,Aorjoa/libgit2_maked_lib,swisspol/DEMO-libgit2,yongthecoder/libgit2,whoisj/libgit2,Corillian/libgit2,kenprice/libgit2,leoyanggit/libgit2,Aorjoa/libgit2_maked_lib,spraints/libgit2,Aorjoa/libgit2_maked_lib,spraints/libgit2,maxiaoqian/libgit2,maxiaoqian/libgit2,JIghtuse/libgit2,mhp/libgit2,t0xicCode/libgit2,Snazz2001/libgit2,whoisj/libgit2,ardumont/libgit2,claudelee/libgit2,maxiaoqian/libgit2,linquize/libgit2,dleehr/libgit2,spraints/libgit2,falqas/libgit2,sim0629/libgit2,kenprice/libgit2,joshtriplett/libgit2,jeffhostetler/public_libgit2,saurabhsuniljain/libgit2,MrHacky/libgit2,mhp/libgit2,maxiaoqian/libgit2,KTXSoftware/libgit2,Snazz2001/libgit2,falqas/libgit2,jflesch/libgit2-mariadb,yongthecoder/libgit2,joshtriplett/libgit2,KTXSoftware/libgit2,falqas/libgit2,Snazz2001/libgit2,ardumont/libgit2,whoisj/libgit2,joshtriplett/libgit2,mingyaaaa/libgit2,mrksrm/Mingijura,nokiddin/libgit2,since2014/libgit2,spraints/libgit2,raybrad/libit2,skabel/manguse,claudelee/libgit2,leoyanggit/libgit2,since2014/libgit2,jamieleecool/ptest,kenprice/libgit2,Tousiph/Demo1,KTXSoftware/libgit2,rcorre/libgit2,mcanthony/libgit2,mhp/libgit2,iankronquist/libgit2,rcorre/libgit2,skabel/manguse,jflesch/libgit2-mariadb,t0xicCode/libgit2,sygool/libgit2,linquize/libgit2,amyvmiwei/libgit2,yosefhackmon/libgit2,sygool/libgit2,kenprice/libgit2,skabel/manguse,oaastest/libgit2,JIghtuse/libgit2,yongthecoder/libgit2,raybrad/libit2,stewid/libgit2,Corillian/libgit2,swisspol/DEMO-libgit2,stewid/libgit2,zodiac/libgit2.js,zodiac/libgit2.js,MrHacky/libgit2,magnus98/TEST,raybrad/libit2,stewid/libgit2,nacho/libgit2,mingyaaaa/libgit2,mhp/libgit2,iankronquist/libgit2,rcorre/libgit2,Aorjoa/libgit2_maked_lib,mingyaaaa/libgit2,whoisj/libgit2,iankronquist/libgit2,kenprice/libgit2,whoisj/libgit2,kissthink/libgit2,jamieleecool/ptest,falqas/libgit2,falqas/libgit2,magnus98/TEST,sim0629/libgit2,linquize/libgit2,Tousiph/Demo1,nacho/libgit2,KTXSoftware/libgit2,stewid/libgit2,chiayolin/libgit2,mingyaaaa/libgit2,swisspol/DEMO-libgit2,joshtriplett/libgit2,sygool/libgit2,chiayolin/libgit2,jeffhostetler/public_libgit2,falqas/libgit2,jeffhostetler/public_libgit2,JIghtuse/libgit2,jeffhostetler/public_libgit2,mcanthony/libgit2,rcorre/libgit2,zodiac/libgit2.js,oaastest/libgit2,nokiddin/libgit2,leoyanggit/libgit2,iankronquist/libgit2,mrksrm/Mingijura,claudelee/libgit2,mrksrm/Mingijura,ardumont/libgit2,joshtriplett/libgit2,MrHacky/libgit2,amyvmiwei/libgit2,since2014/libgit2,oaastest/libgit2,saurabhsuniljain/libgit2,chiayolin/libgit2,KTXSoftware/libgit2,nacho/libgit2,amyvmiwei/libgit2,linquize/libgit2,jeffhostetler/public_libgit2,maxiaoqian/libgit2,Tousiph/Demo1,ardumont/libgit2,claudelee/libgit2,Corillian/libgit2,mingyaaaa/libgit2,mcanthony/libgit2,magnus98/TEST,since2014/libgit2,Snazz2001/libgit2,leoyanggit/libgit2,sygool/libgit2,Tousiph/Demo1,t0xicCode/libgit2,t0xicCode/libgit2,MrHacky/libgit2,nokiddin/libgit2,ardumont/libgit2,saurabhsuniljain/libgit2,raybrad/libit2,dleehr/libgit2,sim0629/libgit2,since2014/libgit2,Corillian/libgit2,skabel/manguse,kenprice/libgit2,jamieleecool/ptest,zodiac/libgit2.js,mrksrm/Mingijura,amyvmiwei/libgit2,yongthecoder/libgit2,evhan/libgit2