updated for version 7.3.537

Problem:    Unecessary call to init_spell_chartab().
Solution:   Delete the call.

src/spell.c

@@ -4721,8 +4721,6 @@ spell_free_all()
 	int_wordlist = NULL;
     }
 
-    init_spell_chartab();
-
     vim_free(repl_to);
     repl_to = NULL;
     vim_free(repl_from);

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    537,
 /**/
     536,
 /**/