Fixing the call to the Diagram::AddDataLine

Details:
 - The call needed to be updated after the introduction of the DataLine ID
 - Removed an unused local

Author: KGergo88

application/sources/measurement_data_protocol.cpp

@@ -38,7 +38,6 @@ std::string MeasurementDataProtocol::GetProtocolName(void)
 std::vector<DiagramSpecialized> MeasurementDataProtocol::ProcessData(std::istream& input_data)
 {
     std::vector<DiagramSpecialized> assembled_diagrams;
-    std::string received_data;
     std::string actual_line;
 
     while(std::getline(input_data, actual_line))
@@ -81,7 +80,7 @@ std::vector<DiagramSpecialized> MeasurementDataProtocol::ProcessData(std::istrea
                         // Switching to the next state without a break --> a new line will NOT be fetched, because this line is the headline
                     }
 
-                    // The falltrough is not an error in this case, this behaviour needed because there was no diagram title found, the actual_line contains the headline
+                // The falltrough is not an error in this case, this behaviour needed because there was no diagram title found, the actual_line contains the headline
                 [[fallthrough]];
                 case Constants::States::ProcessingHeadline:
                     // If this is a headline but not a dataline
@@ -101,7 +100,7 @@ std::vector<DiagramSpecialized> MeasurementDataProtocol::ProcessData(std::istrea
                             }
                             else
                             {
-                                actual_diagram.AddNewDataLine(match_results[1]);
+                                actual_diagram.AddNewDataLine(DiagramSpecialized::DataLine_t::invalid_id, match_results[1]);
                             }
 
                             ++column_index;