[librsvg] Add test files for the previous commit

[Federico Mena Quintero <federico src gnome org>]

commit 3506ff8ab14dd47a3565b719aeffe76138fe8619
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Apr 18 11:29:10 2017 -0500

    Add test files for the previous commit

 ...an-blur-with-negative-scaling-transform-ref.png |  Bin 0 -> 14003 bytes
 ...ussian-blur-with-negative-scaling-transform.svg |   14 ++++++++++++++
 2 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/tests/fixtures/reftests/bugs/634324-gaussian-blur-with-negative-scaling-transform-ref.png 
b/tests/fixtures/reftests/bugs/634324-gaussian-blur-with-negative-scaling-transform-ref.png
new file mode 100644
index 0000000..d8d2e51
Binary files /dev/null and 
b/tests/fixtures/reftests/bugs/634324-gaussian-blur-with-negative-scaling-transform-ref.png differ
diff --git a/tests/fixtures/reftests/bugs/634324-gaussian-blur-with-negative-scaling-transform.svg 
b/tests/fixtures/reftests/bugs/634324-gaussian-blur-with-negative-scaling-transform.svg
new file mode 100644
index 0000000..8b8278b
--- /dev/null
+++ b/tests/fixtures/reftests/bugs/634324-gaussian-blur-with-negative-scaling-transform.svg
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg  width="640" height="480"
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";>
+  <defs>
+    <filter id="filter5259">
+      <feGaussianBlur stdDeviation="10" />
+    </filter>
+  </defs>
+  <path
+    d="m 254.28573,198.07648 -83.98834,-2.98146 -50.07031,67.49735 -23.118289,-80.79897 -79.666374,-26.76187 
69.700445,-46.95505 0.833789,-84.0371 66.195529,51.779153 80.18169,-25.17591 -28.78936,78.956327 z"
+    transform="matrix(-0.2675823,1.2978266,-1.2978266,-0.2675823,432.82964,76.441279)"
+    style="filter:url(#filter5259)" />
+</svg>