[librsvg] Makefile.am: Oops, add allowed_url.rs to the list of sources

[Federico Mena Quintero <federico src gnome org>]

commit 01b333ed33e23a037c7cf823d6bdec6e502331cb
Author: Federico Mena Quintero <federico gnome org>
Date:   Mon Nov 26 18:49:59 2018 -0600

    Makefile.am: Oops, add allowed_url.rs to the list of sources

 Makefile.am | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/Makefile.am b/Makefile.am
index b1f7fe0b..515518a3 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -42,6 +42,7 @@ RUST_SRC =                                                    \
        Cargo.toml                                              \
        rsvg_internals/Cargo.toml                               \
        rsvg_internals/build.rs                                 \
+       rsvg_internals/src/allowed_url.rs                       \
        rsvg_internals/src/aspect_ratio.rs                      \
        rsvg_internals/src/attributes.rs                        \
        rsvg_internals/src/bbox.rs                              \