[pygobject] Fix runtests.py to work with Python3 (print function syntax error).

[Laszlo Pandy <lpandy src gnome org>]

commit 5a5ee3877e22939a697772a7f0630ef8cae3d52f
Author: Laszlo Pandy <lpandy src gnome org>
Date:   Fri Feb 18 10:15:59 2011 +0100

    Fix runtests.py to work with Python3 (print function syntax error).

 tests/runtests.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/runtests.py b/tests/runtests.py
index 37fc6f0..cfd7578 100755
--- a/tests/runtests.py
+++ b/tests/runtests.py
@@ -8,7 +8,7 @@ import sys
 import unittest
 
 if '--help' in sys.argv:
-    print "Usage: ./runtests.py <testfiles>"
+    print("Usage: ./runtests.py <testfiles>")
     sys.exit(0)