patch 8.2.3881: QNX: crash when compiled with GUI but using terminal

Problem:    QNX: crash when compiled with GUI but using terminal.
Solution:   Check the gui.in_use flag. (Hirohito Higashi, closes #9391)
diff --git a/src/version.c b/src/version.c
index 6b4708d..9d6c0d9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3881,
+/**/
     3880,
 /**/
     3879,