message: Update cap_mjpeg_encoder.cpp
  Avoid shifting by 32bits; undefined behavior according to c - standard
diff: @@ -384,7 +384,7 @@ public:
  }
  else
  {
  - data[m_pos] |= (tempval << bits_free);
  + data[m_pos] |= (bits_free == 32) ? tempval : (tempval << bits_free);
  }
  }
  