re-enabling this directory. if the tree breaks again, i'll yank it again, but...

re-enabling this directory. if the tree breaks again, i'll yank it again, but i have built and clobber_alled and i still can't reproduce the problem.

makefile.win

@@ -81,6 +81,7 @@ DIRS = \
   xpfe				\
   editor 			\
   mailnews			\
+  extensions			\
   $(NULL)