patch 8.2.4522: GUI test fails with Motif

Problem:    GUI test fails with Motif. (Dominique Pellé)
Solution:   Remove using an invalid value for 'guifontset'.
diff --git a/src/version.c b/src/version.c
index c53f4d8..aa027a9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4522,
+/**/
     4521,
 /**/
     4520,