[librsvg] handle::acquire_data(): Return a LoadingError

[Federico Mena Quintero <federico src gnome org>]

commit b33e3b9f4f8542e944e95315c4dff8b99a643512
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Nov 28 14:27:18 2018 -0600

    handle::acquire_data(): Return a LoadingError

 rsvg_internals/src/handle.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/rsvg_internals/src/handle.rs b/rsvg_internals/src/handle.rs
index 2e72c226..e272a8b4 100644
--- a/rsvg_internals/src/handle.rs
+++ b/rsvg_internals/src/handle.rs
@@ -91,9 +91,11 @@ pub struct BinaryData {
     pub content_type: Option<String>,
 }
 
-pub fn acquire_data(handle: *mut RsvgHandle, aurl: &AllowedUrl) -> Result<BinaryData, glib::Error> {
+pub fn acquire_data(
+    handle: *mut RsvgHandle,
+    aurl: &AllowedUrl,
+) -> Result<BinaryData, LoadingError> {
     io::acquire_data(aurl, get_cancellable(handle).as_ref())
-        .map_err(|_| glib::Error::new(RsvgError, "FIXME"))
 }
 
 pub fn acquire_stream(