style fix: remove tabs and trailing spaces
diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c
index a5b8efb..a7fe056 100644
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -202,7 +202,7 @@
         ngx_queue_remove(&rn->queue);
 
         for (ctx = rn->waiting; ctx; ctx = next) {
-            next = ctx->next; 
+            next = ctx->next;
 
             if (ctx->event) {
                 ngx_resolver_free(r, ctx->event);