fixed MultiChannelImageT->getColor function

core/image/MultiChannelImageT.tcc

@@ -407,9 +407,9 @@ ColorImage MultiChannelImageT<P>::getColor() const
   for ( int y = 0 ; y < ysize; y++ )
     for ( int x = 0 ; x < xsize ; x++, k++ )
     {
-      img.setPixel( x, y, 0, ( int )( data( 0, k ) ) );
-      img.setPixel( x, y, 1, ( int )( data( 1, k ) ) );
-      img.setPixel( x, y, 2, ( int )( data( 2, k ) ) );
+      img.setPixel( x, y, 0, ( int )( data[0][k] ) );
+      img.setPixel( x, y, 1, ( int )( data[1][k] ) );
+      img.setPixel( x, y, 2, ( int )( data[2][k] ) );
     }
 
   //showImage(img);