updated for version 7.3.259

Problem:    Equivalence classes only work for latin characters.
Solution:   Add the Unicode equivalence characters. (Dominique Pelle)

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    259,
 /**/
     258,
 /**/