Bug 453733 - Software update fails if current directory is root directory (win32 only). r=ted.mielczarek, r=bsmedberg

toolkit/xre/Makefile.in

@@ -204,6 +204,10 @@ SHARED_LIBRARY_LIBS += \
 endif
 endif
 
+ifdef ENABLE_TESTS
+DIRS += test
+endif
+
 include $(topsrcdir)/config/rules.mk
 
 ifdef BUILD_STATIC_LIBS