[gnome-builder] library-template: init empty AUTHORS if no git repo

[Igor Gnatenko <ignatenko src gnome org>]

commit 218a5b56baf88ab87f7e7d09ef58e32dec9e4ca4
Author: Igor Gnatenko <i gnatenko brain gmail com>
Date:   Fri Feb 12 17:31:54 2016 +0100

    library-template: init empty AUTHORS if no git repo
    
    Signed-off-by: Igor Gnatenko <i gnatenko brain gmail com>

 .../library_template/shared-library/Makefile.am    |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/library-template/library_template/shared-library/Makefile.am 
b/plugins/library-template/library_template/shared-library/Makefile.am
index 3bc1262..05caf8c 100644
--- a/plugins/library-template/library_template/shared-library/Makefile.am
+++ b/plugins/library-template/library_template/shared-library/Makefile.am
@@ -19,7 +19,7 @@ AUTHORS:
                && mv -f $  tmp $@ \
                || ( rm -f $  tmp ; \
                     echo Failed to generate $@ >&2 ); \
-       fi
+       else touch $@; fi
 
 # Generate the ChangeLog.
 @GENERATE_CHANGELOG_RULES@