updated for version 7.2.397

Problem:    Redundant check for w_lines_valid.
Solution:   Remove the if.  (Lech Lorens)

src/version.c

@@ -681,6 +681,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    397,
 /**/
     396,
 /**/