cosmetic spec file fixes

OBS-URL: https://build.opensuse.org/package/show/utilities/ncdu?expand=0&rev=2

ncdu.spec

@@ -1,10 +1,9 @@
+# vim: set sw=4 ts=4 et:
 #
 # This file and all modifications and additions to the pristine
 # package are under the same license as the package itself.
 #
 
-# norootforbuild
-
 Name:       	ncdu
 Version:    	1.8
 Release:    	1
@@ -21,30 +20,23 @@ ncdu (NCurses Disk Usage) is a curses-based version of
 the well-known 'du', and provides a fast way to see what
 directories are using your disk space.
 
-Authors:
---------
-		Yoran Heling <projects@yorhel.nl>
-
-
-
 %prep
 %setup -q
 
 %build
 %configure
-%__make %{?jobs:-j%jobs}
+%__make %{?_smp_flags}
 
 %install
 %makeinstall
 
 %clean
-[ -d "%{buildroot}" -a "%{buildroot}" != "" ] && %__rm -rf "%{buildroot}"
+%{?buildroot:%__rm -rf "%{buildroot}"}
 
 %files
 %defattr(-,root,root,0755)
 %doc ChangeLog README COPYING
-%doc %{_mandir}/man1/%{name}.1.gz
+%doc %{_mandir}/man1/%{name}.1*
 %{_bindir}/%{name}
 
 %changelog
-# vim: set sw=4 ts=4 et: