1 files changed, 4 insertions, 2 deletions

diff --git a/queue.c b/queue.c
index dab5bfb..622609e 100644
--- a/queue.c
+++ b/queue.c
@@ -43,8 +43,9 @@ queue_put(struct queue *queue, T data)
                 else
                         tmp->next = queue->tail;
         }
-        else
+        else {
                 ERROR("out of memory");
+        }
 }
 /* -->8-- */
 
@@ -96,8 +97,9 @@ main()
 
         queue_init(queue);
 
-        for ( int i = 0; i != 10; ++i )
+        for ( int i = 0; i != 10; ++i ) {
                 queue_put(queue, i);
+        }
 
         while ( !queue_empty(queue) ) {
                 int i;