comctl32: toolbar: TB_SETBITMAPSIZE should not change a coordinate when passed -1 (with testcase)

[Mikołaj Zalewski]

  I've also changed the button size change message from a WARN to a 
TRACE, as this is well-tested and quite common.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0002-comctl32-toolbar-TB_SETBITMAPSIZE-should-not-chang.patch
Type: text/x-patch
Size: 0 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20080722/6d005269/attachment.bin