spec: use %_isa macro for Requires:

Version: 1.2.11-1

zlib.spec

@@ -24,7 +24,7 @@ library which is used by many different programs.
 %package devel
 Summary: Header files and libraries for Zlib development
 Group: Development/Libraries
-Requires: %{name} = %{version}-%{release}
+Requires: %{name}%{?_isa} = %{version}-%{release}
 
 %description devel
 The zlib-devel package contains the header files and libraries needed
@@ -34,7 +34,7 @@ library.
 %package static
 Summary: Static libraries for Zlib development
 Group: Development/Libraries
-Requires: %{name}-devel = %{version}-%{release}
+Requires: %{name}-devel%{?_isa} = %{version}-%{release}
 
 %description static
 The zlib-static package includes static libraries needed
@@ -44,7 +44,7 @@ decompression library.
 %package -n minizip
 Summary: Library for manipulation with .zip archives
 Group: System Environment/Libraries
-Requires: %{name} = %{version}-%{release}
+Requires: %{name}%{?_isa} = %{version}-%{release}
 
 %description -n minizip
 Minizip is a library for manipulation with files from .zip archives.
@@ -52,8 +52,8 @@ Minizip is a library for manipulation with files from .zip archives.
 %package -n minizip-devel
 Summary: Development files for the minizip library
 Group: Development/Libraries
-Requires: minizip = %{version}-%{release}
-Requires: %{name}-devel = %{version}-%{release}
+Requires: minizip%{?_isa} = %{version}-%{release}
+Requires: %{name}-devel%{?_isa} = %{version}-%{release}
 Requires: pkgconfig
 
 %description -n minizip-devel
@@ -140,10 +140,11 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/*.la
 %{_libdir}/pkgconfig/minizip.pc
 
 %changelog
-* Tue Jan 24 2017 Pavel Raiskup <praiskup@redhat.com> - 1.2.11-1
+* Thu Jan 26 2017 Pavel Raiskup <praiskup@redhat.com> - 1.2.11-1
 - latest upstream release (rhbz#1409372)
 - cleanup rpmlint
 - revert fix for rhbz#985344
+- requires with %%_isa tag
 
 * Fri Feb 05 2016 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.8-10
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild