Build db-4.4.20 with VS9; remove VS2003 build if necessary.

Tools/buildbot/external.bat

@@ -8,9 +8,14 @@ call "%VS90COMNTOOLS%vsvars32.bat"
 if not exist bzip2-1.0.3 svn export http://svn.python.org/projects/external/bzip2-1.0.3
 
 @rem Sleepycat db
-if not exist db-4.4.20 svn export http://svn.python.org/projects/external/db-4.4.20
+@rem Remove VS 2003 builds
+if exist db-4.4.20 if not exist db-4.4.20\build_win32\this_is_for_vs9 (
+   echo Removing old build
+   rd /s/q db-4.4.20
+)
+if not exist db-4.4.20 svn export http://svn.python.org/projects/external/db-4.4.20-vs9 db-4.4.20
 if not exist db-4.4.20\build_win32\debug\libdb44sd.lib (
-   vcbuild db-4.4.20\build_win32\Berkeley_DB.sln /build Debug /project db_static
+   vcbuild db-4.4.20\build_win32\db_static.vcproj "Debug|Win32"
 )
 
 @rem OpenSSL