Adding a new flag to the Win32 build system. Set DISABLE_TESTS=1 to skip

building in the tests directories.  Should not affect the build at all if
you do not have this environment variable.  r=leaf.


git-svn-id: svn://10.0.0.236/trunk@61647 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/htmlparser/makefile.win

@@ -22,7 +22,12 @@
 DEPTH=..
 
 
-DIRS = src robot robot\test tests
-
+DIRS = src \
+!if !defined(DISABLE_TESTS)
+    robot \
+    robot\test \
+    tests \
+!endif
+    $(NULL)
 
 include <$(DEPTH)\config\rules.mak>