importSVG: recognize relative scaling in viewBox attribute

src/Mod/Draft/importSVG.py

@@ -451,10 +451,7 @@ class svgHandler(xml.sax.ContentHandler):
                 if name == 'svg':
                         m=FreeCAD.Matrix()
                         if 'width' in data and 'height' in data and \
-                            'viewBox' in data and\
-                            (getsize(attrs.getValue('width'),'isabsolute') and\
-                            getsize(attrs.getValue('height'),'isabsolute') or\
-                            len(self.grouptransform)!=0):
+                            'viewBox' in data:
                                 vbw=float(data['viewBox'][2])
                                 vbh=float(data['viewBox'][3])
                                 w=attrs.getValue('width')