src: use PRIu64 format

Fix the following compilation warnings on x86_32.

datatype.c: In function ‘cgroupv2_type_print’:
datatype.c:1387:22: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 3 has type ‘uint64_t’ {aka ‘long long unsigned int’} [-Wformat=]
   nft_print(octx, "%lu", id);
                    ~~^   ~~
                    %llu

meta.c: In function ‘date_type_print’:
meta.c:411:21: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 3 has type ‘uint64_t’ {aka ‘long long unsigned int’} [-Wformat=]
  nft_print(octx, "%lu", tstamp);
                   ~~^   ~~~~~~
                   %llu

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/meta.c b/src/meta.c
index 73d58b1f..fdbeba26 100644
--- a/src/meta.c
+++ b/src/meta.c
@@ -408,7 +408,7 @@ static void date_type_print(const struct expr *expr, struct output_ctx *octx)
 	 * Do our own printing. The default print function will print in
 	 * nanoseconds, which is ugly.
 	 */
-	nft_print(octx, "%lu", tstamp);
+	nft_print(octx, "%" PRIu64, tstamp);
 }
 
 static time_t parse_iso_date(const char *sym)