"Err" Logspam from MMIO_ParseExtA when emptying recycle bin with no associated sound

reactos-bootcd-0.4.15-dev-5575-gabb75b6-x86-gcc-lin-dbg

• No sound allocated to "empty recycle bin"

• Create an empty folder "test"
• Delete this "test" folder to Recycle Bin
• Empty Recycle Bin
•  Correctly emptied but MMIO_ParseExtA logs

 Note : This does not happen if a sound is allocated to this event.

err:(/dll/win32/winmm/mmio.c:381) No . in szFileName: ""

- No reason to raise an ERR for this (TRACE instead ?) and strange it does not gracefully fails on this beforehand : https://git.reactos.org/?p=reactos.git;a=blob;f=dll/win32/winmm/mmio.c;hb=afb953ae4dd1ca89c66ddd602f22146803b0709d#l374

if (!szFileName)

         return ret;