Fixed issue where scaleToSameSize is not working when using node-canvas. Can't set image dimensions.

resemble.js

@@ -174,16 +174,16 @@ URL: https://github.com/Huddle/Resemble.js
 				var hiddenCanvas =  document.createElement('canvas');
 				var imageData;
 
-				if( scaleToSameSize && images.length == 1 ){
-					hiddenImage.width 	= images[0].width;
-					hiddenImage.height 	= images[0].height;
-				}
-
 				var width = hiddenImage.width;
-				var height = hiddenImage.height;
+                var height = hiddenImage.height;
+
+                if( scaleToSameSize && images.length == 1 ){
+                    width   = images[0].width;
+                    height  = images[0].height;
+                }
 
-				hiddenCanvas.width = width;
-				hiddenCanvas.height = height;
+                hiddenCanvas.width = width;
+                hiddenCanvas.height = height;
 				hiddenCanvas.getContext('2d').drawImage(hiddenImage, 0, 0, width, height);
 				imageData = hiddenCanvas.getContext('2d').getImageData(0, 0, width, height);