use full word "display" for variable in all places

diff --git a/idle_x11.cpp b/idle_x11.cpp
index 4984cdf8b9124e9b3713d4979a039e0ed2c050ab..d1f97e1db9a3de2543a778dfe6b7d366aa9c91ff 100644 (file)
--- a/idle_x11.cpp
+++ b/idle_x11.cpp
@@ -28,13 +28,13 @@ int reset_idle_time()
 {
   Display *display = NULL;
        if (!display) {
-               if (!(dpy = XOpenDisplay(NULL))) {
+               if (!(display = XOpenDisplay(NULL))) {
                        fputs("Could not open X11 display.\n", stderr);
-                       return;
+                       return -1;
                }
        }
   int x_force_screen_saver;
   int screen_saver_mode = ScreenSaverReset;
-  x_force_screen_saver = XForceScreenSaver(dpy, screen_saver_mode);
+  x_force_screen_saver = XForceScreenSaver(display, screen_saver_mode);
   return x_force_screen_saver;
 }