Add missing #include <errno.h>, per gripe from Alessio Bragadini.

diff --git a/src/backend/main/main.c b/src/backend/main/main.c
index 5da02687a034b9493654ae98a3c94419953e999a..5fe11ab182d6c2b8b10f6e7c300870802bd85ccd 100644 (file)
--- a/src/backend/main/main.c
+++ b/src/backend/main/main.c
@@ -19,6 +19,7 @@
  */
 #include "postgres.h"
 
+#include <errno.h>
 #include <pwd.h>
 #include <unistd.h>
 #include <locale.h>