fix sounds not playing on first play (=load), because function bailed on success, rather than error. introduced in bd9a2f1b0080 , addressing issue #111
if(WIN32 AND NOT UNIX) file(GLOB DLLs *.dll) file(GLOB ICOs *.ico) install(FILES ${DLLs} ${ICOs} DESTINATION ${target_library_install_dir})endif(WIN32 AND NOT UNIX)