[librsvg] Add missing files to Makefile.am

[Ivan Molodetskikh <imolodetskikh src gnome org>]

commit 3674047901e88d139ac8d6889f2e4b6001eb7733
Author: Ivan Molodetskikh <yalterz gmail com>
Date:   Tue Aug 21 10:47:13 2018 +0300

    Add missing files to Makefile.am

 Makefile.am | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 521c3f06..a0418956 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -118,12 +118,14 @@ RUST_SRC =                                                        \
        rsvg_internals/src/viewbox.rs                           \
        rsvg_internals/src/viewport.rs
 
-RUST_EXTRA =                                   \
-       Cargo.lock                              \
-       cargo-vendor-config                     \
-       rsvg_internals/benches/box_blur.rs      \
-       rsvg_internals/benches/lighting.rs      \
-       rsvg_internals/benches/pixel_iterators.rs
+RUST_EXTRA =                                           \
+       Cargo.lock                                      \
+       cargo-vendor-config                             \
+       rsvg_internals/benches/box_blur.rs              \
+       rsvg_internals/benches/composite.rs             \
+       rsvg_internals/benches/lighting.rs              \
+       rsvg_internals/benches/pixel_iterators.rs       \
+       rsvg_internals/benches/srgb.rs
 
 if DEBUG_RELEASE
 CARGO_RELEASE_ARGS=