fix QgsDistanceArea bindings

Author: alexbruy

python/core/qgsdistancearea.sip

@@ -76,6 +76,6 @@ class QgsDistanceArea
     static QString textUnit( double value, int decimals, QGis::UnitType u, bool isArea, bool keepBaseUnit = false );
 
     //! Helper for conversion between physical units
-    void convertMeasurement( double &measure, QGis::UnitType &measureUnits, QGis::UnitType displayUnits, bool isArea );
+    void convertMeasurement( double &measure /In,Out/, QGis::UnitType &measureUnits /In,Out/, QGis::UnitType displayUnits, bool isArea );
 
 };

src/app/qgsmaptoolidentify.cpp

@@ -315,7 +315,7 @@ bool QgsMapToolIdentify::identifyVectorLayer( QgsVectorLayer *layer, int x, int
       convertMeasurement( calc, area, myDisplayUnits, true );  // area and myDisplayUnits are out params
       QString str = calc.textUnit( area, 3, myDisplayUnits, true );
       derivedAttributes.insert( tr( "Area" ), str );
-      convertMeasurement( calc, perimeter, myDisplayUnits, false );  // area and myDisplayUnits are out params
+      convertMeasurement( calc, perimeter, myDisplayUnits, false );  // perimeter and myDisplayUnits are out params
       str = calc.textUnit( perimeter, 3, myDisplayUnits, false );
       derivedAttributes.insert( tr( "Perimeter" ), str );
     }