Bump libgit2 to get filename validation
Bump libgit2 to get filename validation

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