[ostree] builtins: Fix error message if workdir doesn't exist

[Colin Walters <walters src gnome org>]

commit 73fa98694e64b86e0349e2e44230f7116705f95b
Author: Colin Walters <walters verbum org>
Date:   Thu Feb 2 13:56:25 2012 -0500

    builtins: Fix error message if workdir doesn't exist

 src/ostbuild/pyostbuild/builtins.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/ostbuild/pyostbuild/builtins.py b/src/ostbuild/pyostbuild/builtins.py
index efd8bfc..4b5abe7 100755
--- a/src/ostbuild/pyostbuild/builtins.py
+++ b/src/ostbuild/pyostbuild/builtins.py
@@ -38,7 +38,7 @@ class Builtin(object):
             fatal("Specified mirrordir '%s' is not a directory" % (self.mirrordir, ))
         self.workdir = ostbuildrc.get_key('workdir')
         if not os.path.isdir(self.workdir):
-            fatal("Specified workdir '%s' is not a directory", (self.workdir, ))
+            fatal("Specified workdir '%s' is not a directory" % (self.workdir, ))
 
     def execute(self, args):
         raise NotImplementedError()