Removes --clean-only option from buildbots.
diff --git a/Tools/buildbot/build.bat b/Tools/buildbot/build.bat
index 622f876..5e840cc 100644
--- a/Tools/buildbot/build.bat
+++ b/Tools/buildbot/build.bat
@@ -7,7 +7,7 @@
 @rem a new version of an external library, especially Tcl/Tk):

 @rem 1) uncomment the following line:

 

-call "%~dp0..\..\PCbuild\get_externals.bat" --clean-only

+@rem    call "%~dp0..\..\PCbuild\get_externals.bat" --clean-only

 

 @rem 2) commit and push

 @rem 3) wait for all Windows bots to start a build with that changeset