[gtk-doc] rebase: Fix capitalisation of method name

[Philip Withnall <pwithnall src gnome org>]

commit 2276c0a59593a5f0f9fc2d37f21695ac5fadcb9e
Author: Philip Withnall <withnall endlessm com>
Date:   Thu Apr 6 14:06:07 2017 +0100

    rebase: Fix capitalisation of method name
    
    It’s called by gtkdoc-rebase.in as `rebase.run()`. That fails if the
    method is incorrectly capitalised.

 gtkdoc/rebase.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtkdoc/rebase.py b/gtkdoc/rebase.py
index e09bb8e..7c6434d 100755
--- a/gtkdoc/rebase.py
+++ b/gtkdoc/rebase.py
@@ -52,7 +52,7 @@ def log(options, *msg):
         print(*msg)
 
 
-def Run(options):
+def run(options):
     other_dirs = []
 
     # We scan the directory containing GLib and any directories in GNOME2_PATH