Fix error handling

Author: iacore

gui-daemon/xside.c

@@ -402,7 +402,7 @@ static Window mkwindow(Ghandles * g, struct windowdata *vm_window)
     XISetMask(xi_mask.mask, XI_FocusOut);
 
     int err = XISelectEvents(g->display, child_win, &xi_mask, 1);
-    if (!err) {
+    if (err) {
         fprintf(stderr, "Failed to subscribe to XI events. ErrCode: %d\n", err);
         exit(1);
     }
@@ -1941,7 +1941,7 @@ static void send_keymap_notify(Ghandles * g)
     struct msg_hdr hdr;
     char keys[32];
     int err = XQueryKeymap(g->display, keys);
-    if (!err) {
+    if (err) {
         fprintf(stderr, "XQueryKeymap failed: %d.\n", err);
         exit(1);
     }