Issue #4214: Remove ineffectual /pdb:none option from msvc9compiler.py
diff --git a/Lib/distutils/msvc9compiler.py b/Lib/distutils/msvc9compiler.py
index 7ec9b92..22de4ba 100644
--- a/Lib/distutils/msvc9compiler.py
+++ b/Lib/distutils/msvc9compiler.py
@@ -426,7 +426,7 @@
         self.ldflags_shared = ['/DLL', '/nologo', '/INCREMENTAL:NO']
         if self.__version >= 7:
             self.ldflags_shared_debug = [
-                '/DLL', '/nologo', '/INCREMENTAL:no', '/DEBUG', '/pdb:None'
+                '/DLL', '/nologo', '/INCREMENTAL:no', '/DEBUG'
                 ]
         self.ldflags_static = [ '/nologo']