Check for null before freeing X11info, removed free current resource

src/contact.c

@@ -241,7 +241,6 @@ _get_most_available_resource(PContact contact)
         resources = g_list_next(resources);
     }
     free(resources);
-    free(current);
 
     return highest;
 }

src/ui/core.c

@@ -137,7 +137,9 @@ _ui_get_idle_time(void)
         XFree(info);
         return result;
     }
-    XFree(info);
+    if (info != NULL) {
+        XFree(info);
+    }
 // if no libxss or xss idle time failed, use profanity idle time
 #endif
     gdouble seconds_elapsed = g_timer_elapsed(ui_idle_time, NULL);