add arg_files as doc

perl-Image-ExifTool.spec

@@ -1,6 +1,6 @@
 Name:		perl-Image-ExifTool
 Version:	12.00
-Release:	2%{?dist}
+Release:	3%{?dist}
 License:	GPL+ or Artistic
 Summary:	Utility for reading and writing image meta info
 URL:		http://www.sno.phy.queensu.ca/%7Ephil/exiftool/
@@ -73,6 +73,7 @@ make test
 
 %files
 %doc README Changes
+%doc arg_files
 %{_bindir}/exiftool
 %{perl_vendorlib}/File/
 %{perl_vendorlib}/Image/
@@ -80,6 +81,9 @@ make test
 %{_mandir}/man3/*.3*
 
 %changelog
+* Tue Jan 19 2021 Tom Callaway <spot@fedoraproject.org> - 12.00-3
+- add arg_files as doc
+
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 12.00-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild