[evince] build: Add README.md to automake

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 9deb6f1e0f08e2902396c5e6ec6619958b0b5ccd
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Fri Aug 17 11:49:47 2018 -0300

    build: Add README.md to automake
    
    Include the README.md file in the distributed file.
    
    Fixes #960

 Makefile.am | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/Makefile.am b/Makefile.am
index 28df42b0..39fe7d54 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -60,7 +60,8 @@ EXTRA_DIST = \
        $(header_DATA) \
        $(appdata_in_files) \
        autogen.sh \
-       MAINTAINERS
+       MAINTAINERS \
+       README.md
 
 CLEANFILES = \
        $(nodist_appdata_DATA) \