git-verify-pack: make builtin

Convert git-verify-pack to a builtin command.  Also rename ac to argc
and av to argv for consistancy.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <junkio@cox.net>

git.c

@@ -270,6 +270,7 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
 		{ "version", cmd_version },
 		{ "whatchanged", cmd_whatchanged, RUN_SETUP | USE_PAGER },
 		{ "write-tree", cmd_write_tree, RUN_SETUP },
+		{ "verify-pack", cmd_verify_pack },
 	};
 	int i;