reftable: remove unnecessary curly braces in reftable/pq.c

According to Documentation/CodingGuidelines, control-flow statements
with a single line as their body must omit curly braces. Make
reftable/pq.c conform to this guideline. Besides that, remove
unnecessary newlines and variable assignment.

Mentored-by: Patrick Steinhardt <[email protected]>
Mentored-by: Christian Couder <[email protected]>
Signed-off-by: Chandra Pratap <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: Chandra Pratap

reftable/pq.c

@@ -27,22 +27,16 @@ struct pq_entry merged_iter_pqueue_remove(struct merged_iter_pqueue *pq)
 	pq->heap[0] = pq->heap[pq->len - 1];
 	pq->len--;
 
-	i = 0;
 	while (i < pq->len) {
 		int min = i;
 		int j = 2 * i + 1;
 		int k = 2 * i + 2;
-		if (j < pq->len && pq_less(&pq->heap[j], &pq->heap[i])) {
+		if (j < pq->len && pq_less(&pq->heap[j], &pq->heap[i]))
 			min = j;
-		}
-		if (k < pq->len && pq_less(&pq->heap[k], &pq->heap[min])) {
+		if (k < pq->len && pq_less(&pq->heap[k], &pq->heap[min]))
 			min = k;
-		}
-
-		if (min == i) {
+		if (min == i)
 			break;
-		}
-
 		SWAP(pq->heap[i], pq->heap[min]);
 		i = min;
 	}
@@ -60,12 +54,9 @@ void merged_iter_pqueue_add(struct merged_iter_pqueue *pq, const struct pq_entry
 	i = pq->len - 1;
 	while (i > 0) {
 		int j = (i - 1) / 2;
-		if (pq_less(&pq->heap[j], &pq->heap[i])) {
+		if (pq_less(&pq->heap[j], &pq->heap[i]))
 			break;
-		}
-
 		SWAP(pq->heap[j], pq->heap[i]);
-
 		i = j;
 	}
 }