Add stat.h for not Linux systems.

stalkerg · stalkerg · commit 878f1ccfa555 · 2016-06-03T14:49:28.000+03:00
diff --git a/src/backend/access/heap/ptrack.c b/src/backend/access/heap/ptrack.c
@@ -17,6 +17,7 @@
 #include "utils/array.h"
 #include "utils/relfilenodemap.h"
 #include <unistd.h>
+#include <sys/stat.h>
 
 /* Effective data size */
 #define MAPSIZE (BLCKSZ - MAXALIGN(SizeOfPageHeaderData))
