[gnome-commander] Set default tarball ext to xz in spec file

[Uwe Scholz <uwescholz src gnome org>]

commit 77f4746924a8f4e5262408882a83ec11c995fee3
Author: Uwe Scholz <uwescholz src gnome org>
Date:   Mon Jun 5 17:14:43 2017 +0200

    Set default tarball ext to xz in spec file

 data/gnome-commander.spec.in |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/data/gnome-commander.spec.in b/data/gnome-commander.spec.in
index bd01be3..75e503c 100644
--- a/data/gnome-commander.spec.in
+++ b/data/gnome-commander.spec.in
@@ -3,15 +3,15 @@
 #
 # Source archive's extension can be specified with rpm --define 'srcext .foo'
 # where .foo is the source archive's actual extension.
-# To compile an RPM from a .gz source archive, give the command
-#   rpmbuild -tb --define 'srcext .gz' @PACKAGE@-@VERSION  tar gz
+# To compile an RPM from a .bz2 source archive, give the command
+#   rpmbuild -tb --define 'srcext .bz2' @PACKAGE@-@VERSION@.tar.bz2
 #
 
 %if %{?rel:0}%{!?rel:1}
 %define rel 1
 %endif
 %if %{?srcext:0}%{!?srcext:1}
-%define srcext .bz2
+%define srcext .xz
 %endif
 
 %define        python_ver            @PYTHON_REQ@