added a single line of additional error reporting from libssh2 when failing to retrieve the list of authentication methods
added a single line of additional error reporting from libssh2 when failing to retrieve the list of authentication methods

claudelee/libgit2,yongthecoder/libgit2,yosefhackmon/libgit2,yongthecoder/libgit2,linquize/libgit2,saurabhsuniljain/libgit2,KTXSoftware/libgit2,magnus98/TEST,yosefhackmon/libgit2,magnus98/TEST,jeffhostetler/public_libgit2,linquize/libgit2,Corillian/libgit2,linquize/libgit2,yosefhackmon/libgit2,since2014/libgit2,stewid/libgit2,mcanthony/libgit2,since2014/libgit2,kenprice/libgit2,joshtriplett/libgit2,since2014/libgit2,KTXSoftware/libgit2,leoyanggit/libgit2,claudelee/libgit2,jeffhostetler/public_libgit2,skabel/manguse,KTXSoftware/libgit2,leoyanggit/libgit2,skabel/manguse,ardumont/libgit2,mrksrm/Mingijura,leoyanggit/libgit2,saurabhsuniljain/libgit2,mrksrm/Mingijura,stewid/libgit2,since2014/libgit2,KTXSoftware/libgit2,mrksrm/Mingijura,stewid/libgit2,joshtriplett/libgit2,skabel/manguse,yosefhackmon/libgit2,joshtriplett/libgit2,yongthecoder/libgit2,ardumont/libgit2,jeffhostetler/public_libgit2,Corillian/libgit2,ardumont/libgit2,leoyanggit/libgit2,leoyanggit/libgit2,yongthecoder/libgit2,stewid/libgit2,Corillian/libgit2,Corillian/libgit2,mrksrm/Mingijura,saurabhsuniljain/libgit2,jeffhostetler/public_libgit2,kenprice/libgit2,Tousiph/Demo1,ardumont/libgit2,ardumont/libgit2,linquize/libgit2,mrksrm/Mingijura,Corillian/libgit2,joshtriplett/libgit2,yongthecoder/libgit2,skabel/manguse,mcanthony/libgit2,claudelee/libgit2,kenprice/libgit2,mcanthony/libgit2,KTXSoftware/libgit2,yosefhackmon/libgit2,linquize/libgit2,Tousiph/Demo1,saurabhsuniljain/libgit2,ardumont/libgit2,kenprice/libgit2,joshtriplett/libgit2,yongthecoder/libgit2,jeffhostetler/public_libgit2,joshtriplett/libgit2,linquize/libgit2,stewid/libgit2,KTXSoftware/libgit2,skabel/manguse,mcanthony/libgit2,saurabhsuniljain/libgit2,since2014/libgit2,kenprice/libgit2,mcanthony/libgit2,claudelee/libgit2,Tousiph/Demo1,yosefhackmon/libgit2,since2014/libgit2,claudelee/libgit2,magnus98/TEST,saurabhsuniljain/libgit2,Corillian/libgit2,kenprice/libgit2,Tousiph/Demo1,mrksrm/Mingijura,magnus98/TEST,Tousiph/Demo1,magnus98/TEST,leoyanggit/libgit2,magnus98/TEST,skabel/manguse,Tousiph/Demo1,mcanthony/libgit2,jeffhostetler/public_libgit2,stewid/libgit2,claudelee/libgit2