[Bug 38337] clang compiling warnings

https://bugs.winehq.org/show_bug.cgi?id=38337

--- Comment #18 from Sergey Isakov  ---
/Volumes/MacHD/Users/sergey/Documents/Projects/winehq/dlls/winemac.drv/clipboard.c:291:78:
warning: format specifies type 'const unichar *' (aka 'const unsigned short *')
but the argument has type 'WCHAR *' (aka 'unsigned short *') [-Wformat]
                                                registered_name_type_prefix,
buffer);

^~~~~~
1 warning generated.
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can be ignored