patch 8.2.5113: timer becomes invalid after fork/exec, :gui gives errors

Problem:    Timer becomes invalid after fork/exec, :gui gives errors. (Gabriel
            Dupras)
Solution:   Delete the timer befor forking. (closes #10584)
diff --git a/src/version.c b/src/version.c
index 66b03c3..bfa9c5a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5113,
+/**/
     5112,
 /**/
     5111,