bump libgit2 to e026cf
bump libgit2 to e026cf

saraid/rugged,tpickett66/rugged,libgit2/rugged,Acidburn0zzz/rugged,libgit2/rugged,libgit2/rugged,spraints/rugged,spraints/rugged,Acidburn0zzz/rugged,tpickett66/rugged,tpickett66/rugged,saraid/rugged,saraid/rugged,Acidburn0zzz/rugged