fixed LWS_PRE description
fixed LWS_PRE description

sartura/libwebsockets,sartura/libwebsockets,ralight/libwebsockets,sartura/libwebsockets,ralight/libwebsockets,sartura/libwebsockets,ralight/libwebsockets,sartura/libwebsockets,sartura/libwebsockets,ralight/libwebsockets,sartura/libwebsockets,ralight/libwebsockets