yacc: style changes

[Akim Demaille]

commit 7e7a4305486a7aef2bc8c96911b9f8b29f8fc48a
Author: Akim Demaille <akim.demai...@gmail.com>
Date:   Sat Oct 12 11:39:38 2019 +0200

    yacc: style changes
    
    * data/skeletons/yacc.c: Move call to lac discard to clarify the
    shifting of the token.
    Like in lalr1.cc.

diff --git a/data/skeletons/yacc.c b/data/skeletons/yacc.c
index f4393ffe..dbd069aa 100644
--- a/data/skeletons/yacc.c
+++ b/data/skeletons/yacc.c
@@ -1634,16 +1634,15 @@ yyread_pushed_token:]])[
 
   /* Shift the lookahead token.  */
   YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
-
-  /* Discard the shifted token.  */
-  yychar = YYEMPTY;]b4_lac_if([[
-  YY_LAC_DISCARD ("shift");]])[
-
   yystate = yyn;
   YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
   *++yyvsp = yylval;
   YY_IGNORE_MAYBE_UNINITIALIZED_END]b4_locations_if([
   *++yylsp = yylloc;])[
+
+  /* Discard the shifted token.  */
+  yychar = YYEMPTY;]b4_lac_if([[
+  YY_LAC_DISCARD ("shift");]])[
   goto yynewstate;