[releng] Fix typo in tarball-conversion

[Michael Catanzaro <mcatanzaro src gnome org>]

commit fea3479fc4ed9ccb35abb846d7f63b706297b88b
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Tue Aug 8 10:55:56 2017 -0500

    Fix typo in tarball-conversion

 tools/smoketesting/tarball-conversion.config |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tools/smoketesting/tarball-conversion.config b/tools/smoketesting/tarball-conversion.config
index 6815bd7..1ba06cb 100644
--- a/tools/smoketesting/tarball-conversion.config
+++ b/tools/smoketesting/tarball-conversion.config
@@ -170,7 +170,7 @@
     <package name="atkmm"                       set="core"/>
     <package name="cantarell-fonts"             set="core"/>
     <package name="caribou"                     set="core"/>
-    <pacakge name="cairomm"                     set="core"/>
+    <package name="cairomm"                     set="core"/>
     <package name="clutter"                     set="core"/>
     <package name="clutter-gtk"                 set="core"/>
     <package name="clutter-gst"                 set="core"/>