fix bug in paddle_build.sh (#24067)

paddle/scripts/paddle_build.sh

@@ -242,7 +242,7 @@ EOF
         -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
         -DWITH_CONTRIB=${WITH_CONTRIB:-ON} \
         -DWITH_INFERENCE_API_TEST=${WITH_INFERENCE_API_TEST:-ON} \
-        -DWITH_HIGH_LEVEL_API_TEST=${WITH_HIGH_LEVEL_API_TEST:-OFF} \
+        -DINFERENCE_DEMO_INSTALL_DIR=${INFERENCE_DEMO_INSTALL_DIR} \
         -DPY_VERSION=${PY_VERSION:-2.7} \
         -DCMAKE_INSTALL_PREFIX=${INSTALL_PREFIX:-/paddle/build} \
         -DWITH_GRPC=${grpc_flag} \