Fixed a bug in MichaelList<RCU>::extract function
Fixed a bug in MichaelList<RCU>::extract function

hanbinhu/libcds,goswamia/libcds,hanbinhu/libcds,hanbinhu/libcds,eugenyk/libcds,goswamia/libcds,elventear/libcds,eugenyk/libcds,goswamia/libcds,elventear/libcds,xinghuwang/libcds,xinghuwang/libcds,hanbinhu/libcds,hanbinhu/libcds,elventear/libcds,goswamia/libcds,eugenyk/libcds,xinghuwang/libcds,goswamia/libcds,xinghuwang/libcds,eugenyk/libcds,xinghuwang/libcds,elventear/libcds,elventear/libcds,eugenyk/libcds