Fix 2 bugs in online::push tests.
Fix 2 bugs in online::push tests.

- Fix stack corruption introduced in 9bccf33c due to passing pointer to
local variable _cred_acquire_called.
- Fix strcmp in do_verify_push_status when expected or actual push_status
  is NULL

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