updated for version 7.4.317
Problem:    Crash when starting gvim.  Issue 230.
Solution:   Check for a pointer to be NULL. (Christian Brabandt)
diff --git a/src/version.c b/src/version.c
index 6c113c7..a71784f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    317,
+/**/
     316,
 /**/
     315,