Add missing sys/wait.h include to pgxc_monitor

Without this include, the build on FreeBSD fails due to missing
definition of WEXITSTATUS.

diff --git a/contrib/pgxc_monitor/pgxc_monitor.c b/contrib/pgxc_monitor/pgxc_monitor.c
index 155cb1718da5eb79183a32b84fc23a10f841cc0b..243ebcd0af000e3a800d3d83e9695d683291a098 100644 (file)
--- a/contrib/pgxc_monitor/pgxc_monitor.c
+++ b/contrib/pgxc_monitor/pgxc_monitor.c
@@ -49,6 +49,7 @@
 
 #include <stdlib.h>
 #include <getopt.h>
+#include <sys/wait.h>
 
 /* Define all the node types */
 typedef enum