Replace the secondary location by adding flow element

Author: bloodlee

cxx-sensors/src/main/java/org/sonar/cxx/sensors/pclint/CxxPCLintSensor.java

@@ -189,7 +189,7 @@ private void addSecondaryLocationsToCurrentIssue(@Nonnull CxxReportIssue current
           line = primaryLocation.getLine();
         }
 
-        currentIssue.addLocation(file, line, msg);
+        currentIssue.addFlowElement(file, line, msg);
       }
 
       private boolean isInputValid(@Nullable String file, @Nullable String line,