fix style

src/bitonic_sort.c

@@ -114,7 +114,7 @@ void bitonicmerge_no2(int low, int n, int dir, int *array) {
 void recbitonic(int low, int n, int dir, int *array) {
 	int k;
 
-	if (n > 1){
+	if (n > 1) {
 		k = n / 2;
 		recbitonic(low, k, 1, array);
 		recbitonic(low + k, k, 0, array);