4345668 Remove PCDIR patch, upstreamed (in a way)

Authored and Committed by mschorm 4 years ago
    Remove PCDIR patch, upstreamed (in a way)
    The upstream now defaults to the location we need, although the server pkgconfig file location is still NOT configurable.
    The CMake INSTALL_PCDIR option affects only the client library pkgconfig file location.
    
        
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