source-nfq: suppress insecable space.

This patch supresses an insecable space and fixes an
indentation.

src/source-nfq.c

@@ -750,7 +750,7 @@ process_rv:
         SCMutexLock(&t->mutex_qh);
         if (t->qh) {
             ret = nfq_handle_packet(t->h, buf, rv);
-        } else {
+        } else {
             SCLogWarning(SC_ERR_NFQ_HANDLE_PKT, "NFQ handle has been destroyed");
             ret = -1;
         }