include signal.h

apps/backend/backend_plugin_restconf.c

@@ -44,6 +44,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <errno.h>
+#include <signal.h>
 #include <assert.h>
 #include <sys/stat.h>
 

apps/backend/clixon_backend_handle.c

@@ -52,6 +52,7 @@
 #include <sys/time.h>
 #include <regex.h>
 #include <syslog.h>
+#include <signal.h>
 #include <netinet/in.h>
 #include <limits.h>
 

apps/backend/clixon_backend_transaction.c

@@ -51,6 +51,7 @@
 #include <ctype.h>
 #include <sys/types.h>
 #include <regex.h>
+#include <signal.h>
 #include <netinet/in.h>
 #include <limits.h>