[epiphany] Allow opening .tar.xz files

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 4960ba02c89102220f4b106f0ab13a6f48fa3d14
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Mon Jan 18 22:14:41 2016 -0600

    Allow opening .tar.xz files
    
    Really a bad problem that we have a list of MIME types for which using
    the Open button is doomed to fail. A bad problem indeed. Make it seem
    like less of a bad problem by making .tar.xz files work.

 data/mime-types-permissions.xml |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/mime-types-permissions.xml b/data/mime-types-permissions.xml
index 4a7dddc..ef8a583 100755
--- a/data/mime-types-permissions.xml
+++ b/data/mime-types-permissions.xml
@@ -211,6 +211,7 @@
 <mime-type type="application/x-wpg"/>
 <mime-type type="application/x-x509-ca-cert"/>
 <mime-type type="application/x-xbel"/>
+<mime-type type="application/x-xz-compressed-tar"/>
 <mime-type type="application/x-zerosize"/>
 <mime-type type="application/x-zip-compressed"/>
 <mime-type type="application/x-zoo"/>