Fixed #6403 : package path usage for build_ext
diff --git a/Misc/NEWS b/Misc/NEWS
index 88739ff..ef08ffb 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -347,6 +347,8 @@
 Library
 -------
 
+- Issue #6403: Fixed package path usage in build_ext.
+
 - Issues #5155, 5313, 5331: multiprocessing.Process._bootstrap was 
   unconditionally calling "os.close(sys.stdin.fileno())" resulting in file
   descriptor errors