[gobject-introspection] g-ir-doc-tool: Fix -o option, use abspath instead of dirname

[Tomeu Vizoso <tomeuv src gnome org>]

commit 876569a27dd9224f6d274d4edce66862bf4a4f05
Author: Tomeu Vizoso <tomeu vizoso collabora com>
Date:   Thu Mar 15 16:36:39 2012 +0100

    g-ir-doc-tool: Fix -o option, use abspath instead of dirname

 giscanner/mallardwriter.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/giscanner/mallardwriter.py b/giscanner/mallardwriter.py
index e596eca..3b0b810 100644
--- a/giscanner/mallardwriter.py
+++ b/giscanner/mallardwriter.py
@@ -246,7 +246,7 @@ class MallardWriter(object):
                                  page_id=page_id,
                                  formatter=self._formatter)
 
-        output_file_name = os.path.join(os.path.dirname(output),
+        output_file_name = os.path.join(os.path.abspath(output),
                                         page_id + '.page')
         fp = open(output_file_name, 'w')
         fp.write(result)