Add Apple HP client support

Author: Chapoly1305

CMakeLists.txt

@@ -389,6 +389,12 @@ set(LIBVNCCLIENT_SOURCES
     ${COMMON_DIR}/sockets.c
     ${CRYPTO_SOURCES}
 )
+if(APPLE)
+  set(LIBVNCCLIENT_SOURCES
+    ${LIBVNCCLIENT_SOURCES}
+    ${LIBVNCCLIENT_DIR}/applehp.c
+  )
+endif()
 
 if(JPEG_FOUND)
   set(LIBVNCCLIENT_SOURCES