SDRPlayV3 on Mac: Update library path so is works with API 3.12.1.

plugins/samplesource/sdrplayv3/CMakeLists.txt

@@ -56,11 +56,11 @@ target_link_libraries(${TARGET_NAME}
         ${SDRPLAY_LIBRARIES}
 )
 
-# Library name is wrong in 3.12 release
+#  /usr/local/lib doesn't seem to be searched by default
 if (APPLE AND (CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL arm64))
     add_custom_command(TARGET ${TARGET_NAME}
         POST_BUILD COMMAND
-        ${CMAKE_INSTALL_NAME_TOOL} -change libsdrplay_api_arm64.so.3.12 /Library/SDRplayAPI/3.12.0/lib/libsdrplay_api.so.3.12.0  $<TARGET_FILE:${TARGET_NAME}>)
+        ${CMAKE_INSTALL_NAME_TOOL} -change libsdrplay_api.so.3.12 /usr/local/lib/libsdrplay_api.so.3.12  $<TARGET_FILE:${TARGET_NAME}>)
 endif()
 
 install(TARGETS ${TARGET_NAME} DESTINATION ${INSTALL_FOLDER})