Fix build warning

trunk/src/app/srs_app_rtc_jitbuffer.cpp

@@ -1800,6 +1800,9 @@ SrsRtpFrameBuffer* SrsRtpJitterBuffer::ExtractAndSetDecode(uint32_t timestamp)
         }
     }
 
+    // Fix build warnings: variable ‘continuous’ set but not used
+    (void)continuous;
+
     // The state must be changed to decoding before cleaning up zero sized
     // frames to avoid empty frames being cleaned up and then given to the
     // decoder. Propagates the missing_frame bit.