tc/ematch: fix deprecated yacc warning

Newer versions of Bison deprecated some directives.

    YACC     emp_ematch.yacc.c
emp_ematch.y:11.1-14: warning: deprecated directive, use ‘%define parse.error verbose’ [-Wdeprecated]
 %error-verbose
 ^~~~~~~~~~~~~~
emp_ematch.y:12.1-22: warning: deprecated directive, use ‘%define api.prefix {ematch_}’ [-Wdeprecated]
 %name-prefix "ematch_"

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/tc/emp_ematch.y b/tc/emp_ematch.y
index 2e6cf353..a02e831a 100644
--- a/tc/emp_ematch.y
+++ b/tc/emp_ematch.y
@@ -8,8 +8,8 @@
 
 %locations
 %token-table
-%error-verbose
-%name-prefix "ematch_"
+%define parse.error verbose
+%define api.prefix {ematch_}
 
 %union {
 	unsigned int i;