JWASM missing PTR bug.

[Ficko]

This throws an error in MASM:

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btr dword [edx+4], 31


compiles with JWASM to:

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CPU Disasm
Address   Hex dump                           Command                                                                      Comments
00E21014    0FBA72 08 1F                     BTR DWORD PTR DS:[EDX+8],1F