patch 9.0.0289: invalid memory write

Problem:    Invalid memory write.
Solution:   Do not put NUL in a static string.
diff --git a/src/version.c b/src/version.c
index b517fe7..32c132c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -708,6 +708,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    289,
+/**/
     288,
 /**/
     287,