Bugfix: Return NULL in push_leaf, when trie is full
Bugfix: Return NULL in push_leaf, when trie is full

os->full was set 1, but the overflowed idx_leaf was still used to index
into os->nodes a little later. Returning NULL fixes that.

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