va: export symbol vaMapBuffer2 for Windows

tong1wu · dvrogozh · commit 633746e717ef · 2023-10-25T06:47:15.000-07:00
This new added api should be exported otherwise it will cause link
issues.

Signed-off-by: Tong Wu &lt;tong1.wu@intel.com&gt;
diff --git a/va/libva.def b/va/libva.def
@@ -32,6 +32,7 @@ EXPORTS
     vaGetDisplayAttributes
     vaGetImage
     vaMapBuffer
+    vaMapBuffer2
     vaMaxNumDisplayAttributes
     vaMaxNumImageFormats
     vaMaxNumSubpictureFormats
