Use ldconfig scriptlet macros

libXdmcp.spec

@@ -1,7 +1,7 @@
 Summary: X Display Manager Control Protocol library
 Name: libXdmcp
 Version: 1.1.2
-Release: 9%{?dist}
+Release: 10%{?dist}
 License: MIT
 Group: System Environment/Libraries
 URL: http://www.x.org
@@ -50,8 +50,8 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/*.la
 # manual fixup later
 rm -rf $RPM_BUILD_ROOT%{_docdir}
 
-%post -p /sbin/ldconfig
-%postun -p /sbin/ldconfig
+%ldconfig_post
+%ldconfig_postun
 
 %files
 %defattr(-,root,root,-)
@@ -67,6 +67,9 @@ rm -rf $RPM_BUILD_ROOT%{_docdir}
 %{_libdir}/pkgconfig/xdmcp.pc
 
 %changelog
+* Fri Jun 29 2018 Adam Jackson <ajax@redhat.com> - 1.1.2-10
+- Use ldconfig scriptlet macros
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.2-9
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild