Include signal.h for kill prototype.

diff --git a/src/tail.c b/src/tail.c
index 60b7560a7a14bd46863aa4342934416a47581ea9..b8109dd8a316f1c4aba810b3fe3166e01892e0e5 100644 (file)
--- a/src/tail.c
+++ b/src/tail.c
@@ -29,6 +29,7 @@
 #include <assert.h>
 #include <getopt.h>
 #include <sys/types.h>
+#include <signal.h>
 
 #include "system.h"
 #include "argmatch.h"