Depend on the exact version of the library sub package

... as pointed out by rpmdiff.

gettext.spec

@@ -8,7 +8,7 @@
 Summary: GNU libraries and utilities for producing multi-lingual messages
 Name: gettext
 Version: 0.19.8.1
-Release: 8%{?dist}
+Release: 9%{?dist}
 License: GPLv3+ and LGPLv2+
 Group: Development/Tools
 URL: http://www.gnu.org/software/gettext/
@@ -53,6 +53,8 @@ BuildRequires: libcroco-devel
 BuildRequires: libunistring-devel
 Requires(post): info
 Requires(preun): info
+# Depend on the exact version of the library sub package
+Requires: %{name}-libs%{_isa} = %{version}-%{release}
 # for F17 UsrMove
 Conflicts: filesystem < 3
 Provides: /bin/gettext
@@ -350,6 +352,9 @@ fi
 %{_mandir}/man1/msghack.1*
 
 %changelog
+* Wed Mar 15 2017 Kalev Lember <klember@redhat.com> - 0.19.8.1-9
+- Depend on the exact version of the library sub package
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.19.8.1-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild