libgsmhr/fetch_sources: Only use the filename and not any path

There shouldn't be any but somebody might be nasty :p

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
diff --git a/libgsmhr/fetch_sources.py b/libgsmhr/fetch_sources.py
index 6a3cf00..a65fff2 100755
--- a/libgsmhr/fetch_sources.py
+++ b/libgsmhr/fetch_sources.py
@@ -24,7 +24,7 @@
 
 
 def process_file(z, e):
-	fh = open(e.filename.lower(), 'w')
+	fh = open(os.path.basename(e.filename.lower()), 'w')
 	d = z.read(e).replace('\r','')
 	fh.write(d)
 	fh.close()