Fix mac libpaddle.so (#56655)

paddle/scripts/paddle_build.sh

@@ -459,7 +459,7 @@ EOF
         fi
         echo "PR whl Size: $PR_whlSize"
         echo "ipipe_log_param_PR_whl_Size: $PR_whlSize" >> ${PADDLE_ROOT}/build/build_summary.txt
-        PR_soSize=$($com ${PADDLE_ROOT}/build/paddle/fluid/pybind/libpaddle.so |awk '{print $1}')
+        PR_soSize=$($com ${PADDLE_ROOT}/build/python/paddle/fluid/libpaddle.so |awk '{print $1}')
         echo "PR so Size: $PR_soSize"
         echo "ipipe_log_param_PR_so_Size: $PR_soSize" >> ${PADDLE_ROOT}/build/build_summary.txt
     fi