examples/ip_pipeline: fix build in old environments

This patch fixes build errors on linux kernels such as
SuSE 11-SP2/3(64 bits), etc.

Error Log:
	error: implicit declaration of function 'WIFEXITED'
	error: implicit declaration of function 'WEXITSTATUS'

Fixes: ed0b2d020159 ("examples/ip_pipeline: add more ports")

Signed-off-by: Jasvinder Singh <jasvinder.singh@intel.com>
Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>

diff --git a/examples/ip_pipeline/config_parse.c b/examples/ip_pipeline/config_parse.c
index 6e49763..6aaca11 100644 (file)
--- a/examples/ip_pipeline/config_parse.c
+++ b/examples/ip_pipeline/config_parse.c
@@ -40,6 +40,7 @@
 #include <string.h>
 #include <libgen.h>
 #include <unistd.h>
+#include <sys/wait.h>
 
 #include <rte_errno.h>
 #include <rte_cfgfile.h>