Include the right header files.

diff --git a/lib/glthread/yield.h b/lib/glthread/yield.h
index f208313..dc6cf66 100644 (file)
--- a/lib/glthread/yield.h
+++ b/lib/glthread/yield.h
@@ -73,7 +73,6 @@ extern "C" {
 /* Use the old Solaris threads library.  */
 
 # include <thread.h>
-# include <synch.h>
 
 # ifdef __cplusplus
 extern "C" {
@@ -92,6 +91,8 @@ extern "C" {
 
 #if USE_WIN32_THREADS
 
+# include <windows.h>
+
 # ifdef __cplusplus
 extern "C" {
 # endif