Bug in well_index increment in WellsManager

opm/core/wells/WellsManager.cpp

@@ -413,6 +413,7 @@ namespace Opm
 
             if (well->getStatus(timeStep) == WellCommon::SHUT) {
                 well_controls_shut_well( w_->ctrls[well_index] );
+                well_index++;
                 continue;
             }