configure: fix typo in check_xt_old_internal_h

Fixes: 377a09902a57 ("configure: Minor code cleanup")
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index b85eb58b..45fcffb6 100755
--- a/configure
+++ b/configure
@@ -115,7 +115,7 @@ EOF
 check_xt_old_internal_h()
 {
     # bail if previous XT checks has already succeeded.
-    grep -q if grep -q TC_CONFIG_XT $CONFIG && return
+    grep -q TC_CONFIG_XT $CONFIG && return
 
     #check if we need our own internal.h
     cat >$TMPDIR/ipttest.c <<EOF