Use ldconfig scriptlet macros.

xcb-util-cursor.spec

@@ -1,6 +1,6 @@
 Name:		xcb-util-cursor
 Version:	0.1.3
-Release:	5%{?dist}
+Release:	6%{?dist}
 Summary:	Cursor library on top of libxcb
 Group:		System Environment/Libraries
 License:	MIT
@@ -45,10 +45,10 @@ make install DESTDIR=%{buildroot} INSTALL="install -p"
 rm %{buildroot}%{_libdir}/*.la
 
 
-%post -p /sbin/ldconfig
+%ldconfig_post
 
 
-%postun -p /sbin/ldconfig
+%ldconfig_postun
 
 
 %files
@@ -65,6 +65,9 @@ rm %{buildroot}%{_libdir}/*.la
 
 
 %changelog
+* Fri Jun 29 2018 Thomas Moschny <thomas.moschny@gmx.de> - 0.1.3-6
+- Use ldconfig scriptlet macros.
+
 * Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.3-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild