updated for version 7.4.642

Problem:    When using "gf" escaped spaces are not handled.
Solution:   Recognize escaped spaces.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    642,
 /**/
     641,
 /**/