[librsvg] aspect_ratio.rs: Update to the macro syntax in bitflags 0.9.1

[Federico Mena Quintero <federico src gnome org>]

commit 67031d6646f299486dbdb4924588495d23d84566
Author: Federico Mena Quintero <federico gnome org>
Date:   Mon Jul 31 11:07:59 2017 -0500

    aspect_ratio.rs: Update to the macro syntax in bitflags 0.9.1

 rust/Cargo.toml          |    2 +-
 rust/src/aspect_ratio.rs |   24 ++++++++++++------------
 2 files changed, 13 insertions(+), 13 deletions(-)
---
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 24b9666..8dd6f3a 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -6,7 +6,7 @@ build = "build.rs"
 
 [dependencies]
 libc = "0.2"
-bitflags = ""
+bitflags = "^0.9.1"
 glib = "^0.1.3"
 glib-sys = "^0.3.4"
 cairo = ""
diff --git a/rust/src/aspect_ratio.rs b/rust/src/aspect_ratio.rs
index e6afb22..ebda583 100644
--- a/rust/src/aspect_ratio.rs
+++ b/rust/src/aspect_ratio.rs
@@ -207,18 +207,18 @@ impl Default for AspectRatio {
 }
 
 bitflags! {
-    flags AspectRatioFlags: u32 {
-        const XMIN_YMIN = (1 << 0),
-        const XMID_YMIN = (1 << 1),
-        const XMAX_YMIN = (1 << 2),
-        const XMIN_YMID = (1 << 3),
-        const XMID_YMID = (1 << 4),
-        const XMAX_YMID = (1 << 5),
-        const XMIN_YMAX = (1 << 6),
-        const XMID_YMAX = (1 << 7),
-        const XMAX_YMAX = (1 << 8),
-        const SLICE = (1 << 30),
-        const DEFER = (1 << 31)
+    struct AspectRatioFlags: u32 {
+        const XMIN_YMIN = (1 << 0);
+        const XMID_YMIN = (1 << 1);
+        const XMAX_YMIN = (1 << 2);
+        const XMIN_YMID = (1 << 3);
+        const XMID_YMID = (1 << 4);
+        const XMAX_YMID = (1 << 5);
+        const XMIN_YMAX = (1 << 6);
+        const XMID_YMAX = (1 << 7);
+        const XMAX_YMAX = (1 << 8);
+        const SLICE = (1 << 30);
+        const DEFER = (1 << 31);
     }
 }