rcfile_y.y: drop yytoknum cast, incompatible with bison 3.8

This causes configuration failures with newer Bison versions.

1 files changed, 0 insertions, 2 deletions

diff --git a/rcfile_y.y b/rcfile_y.y
index 705bbbf1..5b47e10b 100644
--- a/rcfile_y.y
+++ b/rcfile_y.y
@@ -461,8 +461,6 @@ int prc_parse_file (const char *pathname, const flag securecheck)
     prc_errflag = 0;
     querylist = hosttail = (struct query *)NULL;
 
-    (void)yytoknum; /* work around compiler warning */
-
     errno = 0;
 
     /* Check that the file is secure */