[PATCH v1 3/6] flow_classify: fix issue in exported header

[Adrien Mazarguil <adrien.mazarguil@6wind.com>]

Reported by check-includes.sh:

 [...]/rte_flow_classify.h:85:47: error: ISO C does not permit named
     variadic macros [-Werror=variadic-macros]
  #define RTE_FLOW_CLASSIFY_LOG(level, fmt, args...) \
                                                ^

Fixes: be41ac2a330f ("flow_classify: introduce flow classify library")
Cc: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: Bernard Iremonger <bernard.iremonger@intel.com>

Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
---
 lib/librte_flow_classify/rte_flow_classify.h | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/librte_flow_classify/rte_flow_classify.h b/lib/librte_flow_classify/rte_flow_classify.h
index 1211873a1..e14bc787e 100644
--- a/lib/librte_flow_classify/rte_flow_classify.h
+++ b/lib/librte_flow_classify/rte_flow_classify.h
@@ -70,6 +70,7 @@
  *    with rte_flow_classifier_free()
  */
 
+#include <rte_common.h>
 #include <rte_ethdev.h>
 #include <rte_ether.h>
 #include <rte_flow.h>
@@ -82,9 +83,12 @@ extern "C" {
 
 extern int librte_flow_classify_logtype;
 
-#define RTE_FLOW_CLASSIFY_LOG(level, fmt, args...) \
-rte_log(RTE_LOG_ ## level, librte_flow_classify_logtype, "%s(): " fmt, \
-	__func__, ## args)
+#define RTE_FLOW_CLASSIFY_LOG(level, ...) \
+	rte_log(RTE_LOG_ ## level, \
+		librte_flow_classify_logtype, \
+		RTE_FMT("%s(): " RTE_FMT_HEAD(__VA_ARGS__,), \
+			__func__, \
+			RTE_FMT_TAIL(__VA_ARGS__,)))
 
 /** Opaque data type for flow classifier */
 struct rte_flow_classifier;
-- 
2.11.0