asdoc dies with exception if a directory is created in <sdk>/asdoc/templates/images

Steps to reproduce:
1. Create a directory in <sdk>/asdoc/templates/images
2. Run asdoc

Actual Results:

java.io.FileNotFoundException: <sdk>/asdoc/templates/images/<dir> (Access is denied)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at flex2.compiler.asdoc.AsDocAPI.copyFile(AsDocAPI.java:708)
at flex2.compiler.asdoc.AsDocAPI.copyFiles(AsDocAPI.java:698)
at flex2.tools.ASDoc.asdoc(ASDoc.java:102)
at flex2.tools.ASDoc.main(ASDoc.java:35)

Expected Results:

The directory is ignored, or its contents copied.

Workaround (if any):

Rename the directory to start with a . or mark as read-only prior to running asdoc.

Fix (basic):

Change line 750 in modules/compiler/src/java/flex2/compiler/asdoc/AsDocAPI.java from

if (f.getName().startsWith(".") || f.isHidden() || !f.canRead())

to

if (f.getName().startsWith(".") || f.isHidden() || !f.canRead() || f.isDirectory())