8218020: Fix version number in mesa.md 3rd party legal file
Reviewed-by: clanger
diff --git a/THIRD_PARTY_README b/THIRD_PARTY_README
index 2543b71..628a95e 100644
--- a/THIRD_PARTY_README
+++ b/THIRD_PARTY_README
@@ -1682,7 +1682,7 @@
 --- begin of LICENSE ---
 
  Mesa 3-D graphics library
- Version:  4.1
+ Version:  5.0
 
  Copyright (C) 1999-2002  Brian Paul   All Rights Reserved.