another place where the include was missing

diff --git a/citadel/event_client.c b/citadel/event_client.c
index 7903563c55c9d9ab905af21846b4d779c15a2375..9b5088f4a0b4931d69e0a91602e2ed92fe39dcd1 100644 (file)
--- a/citadel/event_client.c
+++ b/citadel/event_client.c
@@ -18,6 +18,9 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
+#if HAVE_BACKTRACE
+#include <execinfo.h>
+#endif
 
 #include <libcitadel.h>