updated for version 7.4.159

Problem:    Completion hangs when scanning the current buffer after doing
            keywords. (Christian Brabandt)
Solution:   Set the first match position when starting to scan the current
            buffer.

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    159,
 /**/
     158,
 /**/