restored old controller-behaviour for all models whose step-size is not 1, i.e. only round for integer models

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1457 0778d3d1-df1d-0410-868b-ea421aaaa00d

include/automatable_model.h

@@ -122,9 +122,9 @@ public:
 				castValue<T>( m_range * 
 					 m_controllerConnection->currentValue(
 							_frameOffset ) );
-			if( m_step != 0 )
+			if( m_step == 1 )
 			{
-				return( roundf( v / m_step ) * m_step );
+				return( roundf( v ) );
 			}
 			return( v );
 		}