Fix #8288 - GPRE generated code is incompatible with GCC 14.2.

Author: asfernandes

src/gpre/c_cxx.cpp

@@ -2016,7 +2016,7 @@ static SSHORT gen_event_block(act* action)
 	int ident = CMP_next_ident();
 	init->nod_arg[2] = (gpre_nod*)(IPTR)ident;
 
-	printa(0, "static %schar\n   *isc_%da, *isc_%db;", CONST_STR, ident, ident);
+	printa(0, "static unsigned char\n   *isc_%da, *isc_%db;", ident, ident);
 	printa(0, "static short\n   isc_%dl;", ident);
 
 	const gpre_nod* list = init->nod_arg[1];

src/yvalve/gds.cpp

@@ -2971,7 +2971,7 @@ static SCHAR blr_print_char(gds_ctl* control)
 	else if (control->ctl_language)
 		blr_format(control, "chr(%d),", (int) v);
 	else
-		blr_format(control, "%d,", (int) c);
+		blr_format(control, "%d,", (int) v);
 
 	return c;
 }