[librsvg/rustification] Switch to the official gtk-rs/cairo now that it supports matrix methods

[Federico Mena Quintero <federico src gnome org>]

commit 77ea6a621360871b56e85d3ce5b8b8d7072d7cad
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Dec 16 14:31:32 2016 -0600

    Switch to the official gtk-rs/cairo now that it supports matrix methods
    
    Thanks to https://github.com/gtk-rs/cairo/pull/95

 rust/Cargo.toml |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 949e4b0..f435f47 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -7,12 +7,12 @@ authors = ["Federico Mena Quintero <federico gnome org>"]
 libc = "0.2"
 
 [dependencies.cairo-sys-rs]
-#git = "https://github.com/gtk-rs/cairo.git";
-git = "https://github.com/federicomenaquintero/cairo.git";
+git = "https://github.com/gtk-rs/cairo.git";
+#git = "https://github.com/federicomenaquintero/cairo.git";
 
 [dependencies.cairo-rs]
-#git = "https://github.com/gtk-rs/cairo.git";
-git = "https://github.com/federicomenaquintero/cairo.git";
+git = "https://github.com/gtk-rs/cairo.git";
+#git = "https://github.com/federicomenaquintero/cairo.git";
 
 [dependencies.glib]
 git = "https://github.com/gtk-rs/glib";