Switch to systemd BuildRequires as systemd-devel doesn't provide udev.pc

- Fixes permissions issue #1272637

ykpers.spec

@@ -1,6 +1,6 @@
 Name:           ykpers
 Version:        1.17.2
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Yubikey personalization program
 
 Group:          Applications/System
@@ -14,7 +14,7 @@ BuildRequires: libusb1-devel
 BuildRequires: libusb-devel
 %endif
 BuildRequires: libyubikey-devel
-BuildRequires: systemd-devel
+BuildRequires: systemd
 
 %description
 Yubico's YubiKey can be re-programmed with a new AES key. This is a library
@@ -71,11 +71,7 @@ export LD_LIBRARY_PATH=$RPM_BUILD_DIR/%{name}-%{version}/.libs
 %{_mandir}/man1/ykpersonalize.1.gz
 %{_mandir}/man1/ykchalresp.1.gz
 %{_mandir}/man1/ykinfo.1.gz
-%if 0%{?fedora} > 21 || 0%{?rhel} > 7
-/usr/lib/udev/rules.d/70-yubikey.rules
-%else
-/usr/lib/udev/rules.d/69-yubikey.rules
-%endif
+%{_udevrulesdir}/69-yubikey.rules
 
 %files devel
 %defattr(-,root,root,-)
@@ -86,6 +82,10 @@ export LD_LIBRARY_PATH=$RPM_BUILD_DIR/%{name}-%{version}/.libs
 %exclude %{_libdir}/libykpers-1.la
 
 %changelog
+* Sun Oct 18 2015 Kevin Fenzi <kevin@scrye.com> 1.17.2-3
+- Switch to systemd BuildRequires as systemd-devel doesn't provide udev.pc
+- Fixes permissions issue #1272637
+
 * Wed Sep 23 2015 Kevin Fenzi <kevin@scrye.com> 1.17.2-2
 - Properly conditionalize udev rules file.