cmake HAVE_SETHOSTENT examples

mixxxdj/mixxx lib/libshout-idjc/CMakeLists.txt :221

check_symbol_exists(sethostent "winsock2.h;ws2tcpip.h" HAVE_SETHOSTENT)

mixxxdj/mixxx lib/libshout-idjc/CMakeLists.txt :228

check_symbol_exists(sethostent "netdb.h" HAVE_SETHOSTENT)

mixxxdj/mixxx lib/libshout-idjc/CMakeLists.txt :244

target_compile_definitions(${PROJECT_NAME} PRIVATE HAVE_SETHOSTENT)