gallium: include <sched.h> on linux to get sched_yield() proto

diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c
index 8ae052e..410d336 100644 (file)
--- a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c
@@ -38,6 +38,7 @@
 
 #if defined(PIPE_OS_LINUX)
 #include <unistd.h>
+#include <sched.h>
 #endif
 
 #include "pipe/p_compiler.h"