!6 Upgrade package to latest 2.22 version

From: @cherry530 
Reviewed-by: @caodongxia 
Signed-off-by: @caodongxia

units.spec

@@ -1,5 +1,5 @@
 Name:              units
-Version:           2.21
+Version:           2.22
 Release:           1
 Summary:           A utility for converting amounts from one unit to another
 License:           GPLv3+
@@ -38,7 +38,7 @@ autoreconf -fiv
 
 %install
 %make_install
-
+ln -fsv ../../..%{_sharedstatedir}/units/currency.units %{buildroot}%{_datadir}/units
 gzip $RPM_BUILD_ROOT%{_infodir}/units.info
 ln -s units.1 %{buildroot}%{_mandir}/man1/units_cur.1
 
@@ -56,7 +56,7 @@ if [ $1 = 0 -a -e %{_infodir}/units.info.gz ]; then
 fi
 
 %files
-%doc COPYING ChangeLog NEWS README
+%doc COPYING NEWS README
 %{_bindir}/*
 %{_datadir}/units
 %{_sharedstatedir}/units
@@ -66,6 +66,9 @@ fi
 %{_mandir}/man1/*
 
 %changelog
+* Wed Apr 19 2023 xu_ping <707078654@qq.com> - 2.22-1
+- Upgrade to version 2.22
+
 * Tue Jan 18 2022 SimpleUpdate Robot <tc@openeuler.org> - 2.21-1
 - Upgrade to version 2.21