[librsvg] Fix build, we do not have chars.rs anymore

[Paolo Borelli <pborelli src gnome org>]

commit aaea9f05c4a6dfe49033f37e5c7648ba9f53b7d2
Author: Paolo Borelli <pborelli gnome org>
Date:   Fri Apr 27 18:37:29 2018 +0200

    Fix build, we do not have chars.rs anymore

 Makefile.am | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/Makefile.am b/Makefile.am
index 41636a05..f317dd44 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -85,7 +85,6 @@ RUST_SRC =                                    \
        rsvg_internals/src/aspect_ratio.rs      \
        rsvg_internals/src/attributes.rs        \
        rsvg_internals/src/bbox.rs              \
-       rsvg_internals/src/chars.rs             \
        rsvg_internals/src/clip_path.rs         \
        rsvg_internals/src/cnode.rs             \
        rsvg_internals/src/color.rs             \