tools: make v test-cleancode test everything by default (#10050)

vlib/os2/os2_darwin.c.v

@@ -1,30 +1,26 @@
 module os2
 
 #include <fcntl.h>
+
 struct File {
 	fd int
 }
 
-fn C.perror(charptr)
+fn C.perror(&char)
 
+fn C.open(&byte, int, int) int
 
-fn C.open(byteptr, int, int) int
-
-
-fn C.write(voidptr, byteptr, int) int
-
+fn C.write(voidptr, &byte, int) int
 
 fn C.close(int) int
 
-
 pub fn create(path string) ?File {
-	fd := C.open(path.str, C.O_CREAT | C.O_TRUNC | C.O_WRONLY, 0644) // 511
+	fd := C.open(path.str, C.O_CREAT | C.O_TRUNC | C.O_WRONLY, o644) // 511
 	if fd == -1 {
 		return error('failed to create "$path":')
 		// os.print_c_errno()
 	}
-	return File{
-		fd}
+	return File{fd}
 }
 
 pub fn (f File) writeln(s string) {