[MIPS] checkfiles: Fix "need space after that ','" errors.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/kernel/vpe.c

@@ -1044,7 +1044,7 @@ static int getcwd(char *buff, int size)
 	old_fs = get_fs();
 	set_fs(KERNEL_DS);
 
-	ret = sys_getcwd(buff,size);
+	ret = sys_getcwd(buff, size);
 
 	set_fs(old_fs);