remove trailing whitespaces

dunst.c

@@ -239,7 +239,7 @@ gboolean run(void *data)
         }
 
         if (xctx.visible && (pause_display || displayed->length == 0)) {
-            x_win_hide(); 
+            x_win_hide();
         }
 
         if (xctx.visible) {

dunstify.c

@@ -240,7 +240,7 @@ void add_hint(NotifyNotification *n, char *str)
         gint h_byte = g_ascii_strtoull(value, NULL, 10);
         if (h_byte < 0 || h_byte > 0xFF)
             g_printerr("Not a byte: \"%s\"", value);
-        else 
+        else
             notify_notification_set_hint_byte(n, name, (guchar) h_byte);
     } else
         g_printerr("Malformed hint. Expected a type of int, double, string or byte, got %s\n", type);

menu.c

@@ -151,7 +151,7 @@ void dispatch_menu_result(const char *input)
                 in = strchr(in, ']');
                 if (in == NULL)
                     break;
-            default: 
+            default:
                 {   // test and open url
                     char *maybe_url = extract_urls(in);
                     if (maybe_url) {