[librsvg] Update .gitignore

[Federico Mena Quintero <federico src gnome org>]

commit f7e0d256c9b07bd7c34b1bd213e50fd9481120ab
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Mar 31 14:05:05 2017 -0600

    Update .gitignore

 .gitignore |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index d1df259..b7028d3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,6 +52,9 @@ doc/version.xml
 doc/xml/
 gdk-pixbuf-loader/gdk-pixbuf.loaders
 gdk-pixbuf-loader/rsvg-loader
+rust/*~
+rust/src/*~
+rust/src/parse_transform.rs
 tests/dimensions
 tests/pdiff/perceptualdiff
 tests/rsvg-test