add limits.h to event_tagging.c so opensolaris will build

diff --git a/event_tagging.c b/event_tagging.c
index 2e31b8253c8383ce7fe78c991e0c40db758e0cbb..009d9b273fd3966383e72322fd045db3826e7ede 100644 (file)
--- a/event_tagging.c
+++ b/event_tagging.c
@@ -58,6 +58,7 @@
 #ifdef _EVENT_HAVE_UNISTD_H
 #include <unistd.h>
 #endif
+#include <limits.h>
 
 #include "event2/event.h"
 #include "event2/tag.h"