patch 8.2.4531: LGTM warnings for condition and buffer size

Problem:    LGTM warnings for condition always true and buffer size too small.
Solution:   Remove the useless condition.  Make the buffer larger. (Goc
            Dundar, closes #9914)
diff --git a/src/version.c b/src/version.c
index 0aff73a..9b25ef0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4531,
+/**/
     4530,
 /**/
     4529,