main: Flush output from nft_gmp_print()

This adds a missing call to fflush() to nft_gmp_print() just like in
nft_print(). This is strictly not necessary since usually
nft_gmp_print() is followed by a call to nft_print() but better not rely
upon this assumption.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index 079a05b8..6d2422ff 100644
--- a/src/main.c
+++ b/src/main.c
@@ -403,6 +403,7 @@ int nft_gmp_print(struct output_ctx *octx, const char *fmt, ...)
 	va_start(arg, fmt);
 	ret = gmp_vfprintf(octx->output_fp, fmt, arg);
 	va_end(arg);
+	fflush(octx->output_fp);
 
 	return ret;
 }