[dia] wdeps.py: fix RemoveNonLocal()

[Hans Breuer <hans src gnome org>]

commit 684a82978fad4fb8dfc79bf36946df44a2199e5c
Author: Hans Breuer <hans breuer org>
Date:   Sun Nov 18 12:38:31 2012 +0100

    wdeps.py: fix  RemoveNonLocal()
    
    to globally remove non local modules (i.e. from root)

 plug-ins/python/wdeps.py |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/plug-ins/python/wdeps.py b/plug-ins/python/wdeps.py
index 5aaed63..803f966 100644
--- a/plug-ins/python/wdeps.py
+++ b/plug-ins/python/wdeps.py
@@ -342,6 +342,12 @@ def RemoveNonLocal (deps) :
 		for c in node.deps.keys() :
 			if not os.path.exists (c) :
 				del node.deps[c]
+	# also remove from the root
+	root_keys = deps.keys()
+	for k in root_keys :
+		if not os.path.exists (k) :
+			del deps[k]
+
 def RemoveBySymbols (deps, list) :
 	"If a connection is conly caused by some symbol in 'list' it is removed"
 	for k in deps.keys() :