Fix compilation warnings in ubuntu 18.04

src/processor/processor_tracker.cpp

@@ -102,7 +102,8 @@ void ProcessorTracker::processCapture(CaptureBasePtr _incoming_ptr)
         	// No-break case only for debug. Next case will be executed too.
             PackKeyFramePtr pack = buffer_pack_kf_.selectPack( incoming_ptr_, params_tracker_->time_tolerance);
             WOLF_DEBUG( "PT ", getName(), " SECOND_TIME_WITH_PACK: KF" , pack->key_frame->id() , " callback unpacked with ts= " , pack->key_frame->getTimeStamp() );
-        } // @suppress("No break at end of case")
+        }
+        // Fall through
         case SECOND_TIME_WITHOUT_PACK :
         {
             WOLF_DEBUG( "PT ", getName(), " SECOND_TIME_WITHOUT_PACK" );

test/gtest_pack_KF_buffer.cpp

@@ -137,7 +137,9 @@ TEST_F(BufferPackKeyFrameTest, selectPack)
             {
                 PackKeyFramePtr packQ = pack_kf_buffer.selectPack(16, q[iq]);
                 if (packQ!=nullptr)
+                {
                     ASSERT_EQ(packQ->key_frame->getTimeStamp(),res(ip1*6+ip2*3+iq));
+                }
             }
             pack_kf_buffer.clear();
         }