patch 7.4.970

Problem:    Rare crash in getvcol(). (Timo Mihaljov)
Solution:   Check for the buffer being NULL in init_preedit_start_col.
            (Hirohito Higashi, Christian Brabandt)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    970,
 /**/
     969,
 /**/