Suppress some XBoard warnings

[xboard.git] / backend.c

diff --git a/backend.c b/backend.c
index 91a5fbb..f0289bc 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -63,6 +63,7 @@ int flock(int f, int code);
 
 #else
 
+#include <sys/file.h>
 #define DoSleep( n ) if( (n) >= 0) sleep(n)
 #define SLASH '/'