Bug #237725 --> Use dist\branding as a staging area for branded artwork.

Add installer\windows to the dir list so it can export the generic installer icons out to dist\branding

sr=bryner

browser/Makefile.in

@@ -44,4 +44,10 @@ include $(DEPTH)/config/autoconf.mk
 
 DIRS = base components app extensions
 
+ifeq ($(OS_ARCH),WINNT)
+ifdef MOZ_INSTALLER
+DIRS += installer/windows
+endif
+endif
+
 include $(topsrcdir)/config/rules.mk