revert switch to xz

OBS-URL: https://build.opensuse.org/package/show/Publishing/lyx?expand=0&rev=41

lyx.spec

@@ -19,14 +19,14 @@
 
 Name:           lyx
 #!BuildIgnore: lyx
-BuildRequires:  aspell-devel boost-devel fdupes hunspell-devel libqt4-devel python update-desktop-files xz
+BuildRequires:  aspell-devel boost-devel fdupes hunspell-devel libqt4-devel python update-desktop-files
 License:        LGPLv2.1+
 Group:          Productivity/Publishing/TeX/Frontends
 Version:        2.0.1
 Release:        4
 Summary:        LaTeX-Based WYSIWYG Editor
 Url:            http://www.lyx.org/
-Source:         ftp://ftp.lyx.org/pub/lyx/stable/2.0.x/lyx-2.0.1.tar.xz
+Source:         ftp://ftp.lyx.org/pub/lyx/stable/2.0.x/lyx-2.0.1.tar.gz
 Source1:        lyx.desktop
 Source2:        lyx.png
 Source3:        lyxrc.dist
@@ -46,7 +46,7 @@ level attributes ("large italic") but high level layouts (styles) for
 each paragraph. Of course, low level formatting is still possible.
 
 %prep
-%setup -q
+%setup -q -n %{name}-%{version}
 %patch0
 # Remove build time references so build-compare can do its work
 FAKE_BUILDTIME=$(LC_ALL=C date -u -r %{_sourcedir}/%{name}.changes '+%%H:%%M')