Really fix the pc file
Really fix the pc file

It turns out that variables have function scope by default. Let's
really set -liconv and add a few libraries that were forgotten in
the previous commit.

We also need to special-case OSX, as they ship zlib but do not provide
a pkg-config file for it.

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