[damned-lies] Altering global variables is BAD (Fixes 656308)

[Claude Paroz <claudep src gnome org>]

commit d14abc7c743111c8246927d713ef91c84d83bf2c
Author: Claude Paroz <claude 2xlibre net>
Date:   Wed Aug 10 22:46:15 2011 +0200

    Altering global variables is BAD (Fixes 656308)

 stats/utils.py |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/stats/utils.py b/stats/utils.py
index c780d4f..b2ce1ef 100644
--- a/stats/utils.py
+++ b/stats/utils.py
@@ -184,6 +184,7 @@ def generate_doc_pot_file(vcs_path, potbase, moduleid):
         files = ["index.page"]
         if tool == "xml2po":
             options = "-m mallard"
+        incl_var = extract_tools[tool]['incl_var']
     else:
         modulename = read_makefile_variable([vcs_path], "DOC_MODULE")
         if not modulename:
@@ -201,9 +202,9 @@ def generate_doc_pot_file(vcs_path, potbase, moduleid):
                     errors.append(("error", ugettext_noop("DOC_MODULE doesn't point to a real file, probably a macro.")))
                     return "", errors, tool
         files = [modulename + ".xml"]
-        extract_tools[tool]['incl_var'] = "DOC_INCLUDES"
+        incl_var = "DOC_INCLUDES"
 
-    includes = read_makefile_variable([vcs_path], extract_tools[tool]['incl_var'])
+    includes = read_makefile_variable([vcs_path], incl_var)
     if includes:
         files.extend(filter(lambda x:x not in ("", "$(NULL)"), includes.split()))
     files = " ".join([os.path.join("C", f) for f in files])