index: split GIT_IDXENTRY into two flag enums
index: split GIT_IDXENTRY into two flag enums

The documentation has shown this as a single enum for a long time. These
should in fact be two enums. One with the bits for the flags and another
with the bits for the extended flags.

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