Fix MSVC compilation issue
Fix MSVC compilation issue

    exp() is already defined in math.h. This leads to LMSVC complaining

    ..\..\libgit2\tests-clar\diff\blob.c(5): error C2365: 'exp' : redefinition; previous definition was 'function'

    Renaming the variable fixes this issue.

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