Fix compilation on Linux.

[freeglut] / src / fg_spaceball.c

diff --git a/src/fg_spaceball.c b/src/fg_spaceball.c
index 16b0c52..9534746 100644 (file)
--- a/src/fg_spaceball.c
+++ b/src/fg_spaceball.c
@@ -11,7 +11,7 @@
 #include <GL/freeglut.h>
 #include "fg_internal.h"
 
-#if(_WIN32_WINNT >= 0x0501)
+#if( !_WIN32 || _WIN32_WINNT >= 0x0501)
 
 /* -- PRIVATE FUNCTIONS --------------------------------------------------- */