[jhbuild] utils: use gzip rather than gunzip (GNOME bug 658361)

[Craig Keogh <cskeogh src gnome org>]

commit b89fd7109e5f1c5de8e5f5e74cf9cd2b59c9db77
Author: Craig Keogh <cskeogh adam com au>
Date:   Wed Sep 7 21:37:54 2011 +0930

    utils: use gzip rather than gunzip (GNOME bug 658361)

 jhbuild/utils/unpack.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/jhbuild/utils/unpack.py b/jhbuild/utils/unpack.py
index be5567b..388c199 100644
--- a/jhbuild/utils/unpack.py
+++ b/jhbuild/utils/unpack.py
@@ -128,8 +128,8 @@ def unpack_archive(buildscript, localfile, target_directory, checkoutdir=None):
     elif ext == '.bz2' and has_command('bunzip2') and has_command('tar'):
         buildscript.execute('bunzip2 -dc "%s" | tar xf -' % localfile,
                 cwd=target_directory)
-    elif ext in ('.gz', '.tgz') and has_command('gunzip') and has_command('tar'):
-        buildscript.execute('gunzip -dc "%s" | tar xf -' % localfile,
+    elif ext in ('.gz', '.tgz') and has_command('gzip') and has_command('tar'):
+        buildscript.execute('gzip -dc "%s" | tar xf -' % localfile,
                 cwd=target_directory)
     elif ext == '.zip' and has_command('unzip'):
         buildscript.execute('unzip "%s"' % localfile,