also check for private PyQt5/sip in Mac bundling

Author: kyngchaos

mac/cmake/1qt.cmake.in

@@ -290,7 +290,7 @@ ENDFOREACH (PYPATH)
 MESSAGE (STATUS "Copying sip...")
 PYTHONMODULEDIR("sip.so" SIPMODDIR)
 IF (SIPMODDIR)
-    IF (NOT EXISTS "${QGISPYDIR}/sip.so")
+    IF (NOT EXISTS "${QGISPYDIR}/sip.so" AND NOT EXISTS "${QGISPYDIR}/PyQt5/sip.so")
         # MYMESSAGE ("ditto ${QARCHS} \"${SIPMODDIR}/sip.so\" \"${QGISPYDIR}/\"")
         IF (${SIPMODDIR} MATCHES ".*PyQt5.*")
             EXECUTE_PROCESS (COMMAND ditto ${QARCHS} "${SIPMODDIR}/sip.so" "${QGISPYDIR}/PyQt5/")