deal with more gcc 4.2 const pointer warnings

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@83978 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/ael/ael.tab.c

@@ -201,7 +201,7 @@ extern char *my_file;
 #ifdef AAL_ARGCHECK
 int ael_is_funcname(char *name);
 #endif
-static char *ael_token_subst(char *mess);
+static char *ael_token_subst(const char *mess);
 
 
 
@@ -3269,11 +3269,11 @@ static char *token_equivs2[] =
 };
 
 
-static char *ael_token_subst(char *mess)
+static char *ael_token_subst(const char *mess)
 {
 	/* calc a length, malloc, fill, and return; yyerror had better free it! */
 	int len=0,i;
-	char *p;
+	const char *p;
 	char *res, *s,*t;
 	int token_equivs_entries = sizeof(token_equivs1)/sizeof(char*);
 
@@ -3314,7 +3314,7 @@ static char *ael_token_subst(char *mess)
 
 void yyerror(YYLTYPE *locp, struct parse_io *parseio,  char const *s)
 {
-	char *s2 = ael_token_subst((char *)s);
+	char *s2 = ael_token_subst(s);
 	if (locp->first_line == locp->last_line) {
 		ast_log(LOG_ERROR, "==== File: %s, Line %d, Cols: %d-%d: Error: %s\n", my_file, locp->first_line, locp->first_column, locp->last_column, s2);
 	} else {

res/ael/ael.y

@@ -46,7 +46,7 @@ extern char *my_file;
 #ifdef AAL_ARGCHECK
 int ael_is_funcname(char *name);
 #endif
-static char *ael_token_subst(char *mess);
+static char *ael_token_subst(const char *mess);
 
 %}
 
@@ -714,11 +714,11 @@ static char *token_equivs2[] =
 };
 
 
-static char *ael_token_subst(char *mess)
+static char *ael_token_subst(const char *mess)
 {
 	/* calc a length, malloc, fill, and return; yyerror had better free it! */
 	int len=0,i;
-	char *p;
+	const char *p;
 	char *res, *s,*t;
 	int token_equivs_entries = sizeof(token_equivs1)/sizeof(char*);