ck_barrier_mcs: Style clean-up.

src/ck_barrier_mcs.c

@@ -87,15 +87,15 @@ ck_barrier_mcs_check_children(unsigned int *childnotready)
 {
 
 	if (ck_pr_load_uint(&childnotready[0]) != 0)
-		return (false);
+		return false;
 	if (ck_pr_load_uint(&childnotready[1]) != 0)
-		return (false);
+		return false;
 	if (ck_pr_load_uint(&childnotready[2]) != 0)
-		return (false);
+		return false;
 	if (ck_pr_load_uint(&childnotready[3]) != 0)
-		return (false);
+		return false;
 
-	return (true);
+	return true;
 }
 
 CK_CC_INLINE static void