Add a missing header for *nix

diff --git a/misc.h b/misc.h
index 88febdf896da1ae11c47616cb62fa87a22047aac..42571b880fc5df5f9a1d188352232d9d918e8ea8 100644 (file)
--- a/misc.h
+++ b/misc.h
@@ -12,6 +12,9 @@
 #include "psqlodbc.h"
 
 #include <stdio.h>
+#ifndef  WIN32
+#include <unistd.h>
+#endif
 
 #ifdef __cplusplus
 extern "C" {