Render at natural dimensions to fix scaling issues

Fixes #2498

Author: mgilfillan

CHANGELOG.md

@@ -14,6 +14,7 @@ project adheres to [Semantic Versioning](http://semver.org/).
 * Fix a crash when SVGs without width or height are loaded (#2486)
 * Fix fetching prebuilds during installation on certain newer versions of Node (#2497)
 * Fixed issue with fillText that was breaking subsequent fillText calls (#2171)
+* Fix svg rendering when the image is resized (#2498)
 
 3.1.0
 ==================

src/Image.cc

@@ -1506,9 +1506,6 @@ Image::renderSVGToSurface() {
   }
 
   cairo_t *cr = cairo_create(_surface);
-  cairo_scale(cr,
-    (double)width / (double)naturalWidth,
-    (double)height / (double)naturalHeight);
   status = cairo_status(cr);
   if (status != CAIRO_STATUS_SUCCESS) {
     g_object_unref(_rsvg);