Bugfix: do not keep old control modes.

They will be treated as limits, and cause wrong behaviour.

src/opm/parser/eclipse/EclipseState/Schedule/Well/WellProductionProperties.cpp

@@ -67,6 +67,7 @@ namespace Opm {
         else
             cmode = wp::ControlModeFromString( cmodeItem.getTrimmedString( 0 ) );
 
+        m_productionControls = 0;
         if (effectiveHistoryProductionControl(cmode)) {
             this->addProductionControl( cmode );
             this->controlMode = cmode;