fix bug for srs-librtmp

@@ -23,7 +23,7 @@ if [ $SRS_EXPORT_LIBRTMP_PROJECT != NO ]; then
     _CPT=${SRS_EXPORT_LIBRTMP_PROJECT}/auto && mkdir -p ${_CPT} && cp auto/generate_header.sh auto/generate-srs-librtmp-single.sh ${_CPT} &&
     _CPT=${SRS_EXPORT_LIBRTMP_PROJECT}/src/core && mkdir -p ${_CPT} && cp src/core/* ${_CPT} &&
     _CPT=${SRS_EXPORT_LIBRTMP_PROJECT}/src/kernel && mkdir -p ${_CPT} && cp src/kernel/* ${_CPT} &&
-    _CPT=${SRS_EXPORT_LIBRTMP_PROJECT}/src/rtmp && mkdir -p ${_CPT} && cp src/rtmp/* ${_CPT} &&
+    _CPT=${SRS_EXPORT_LIBRTMP_PROJECT}/src/protocol && mkdir -p ${_CPT} && cp src/protocol/* ${_CPT} &&
     _CPT=${SRS_EXPORT_LIBRTMP_PROJECT}/src/libs && mkdir -p ${_CPT} && cp src/libs/* ${_CPT}
     # check ret
     ret=$?; if [[ $ret -ne 0 ]]; then echo "export src failed, ret=$ret"; exit $ret; fi