patch 9.1.1015: Coverity complains about dereferencing NULL value

Problem:  Coverity complains about dereferencing NULL value
Solution: Check that cms2 is not null

closes: #16438

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 57d7ec7..96a51da 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1015,
+/**/
     1014,
 /**/
     1013,