net: add include for signal.h

To use aio_sigevent in Ubuntu 18.04, add explict include for
signal.h.

Change-Id: Icbf15f411aa1466879dc017c13311d408ab18a96
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>

diff --git a/libthor/thor_net.c b/libthor/thor_net.c
index ba044be..29cb295 100644 (file)
--- a/libthor/thor_net.c
+++ b/libthor/thor_net.c
@@ -5,6 +5,7 @@
 #include <unistd.h>
 #include <sys/socket.h>
 #include <aio.h>
+#include <signal.h>
 
 #include "thor.h"
 #include "thor_internal.h"