updated for version 7.3.939

Problem:    Using Py_BuildValue is inefficient sometimes.
Solution:   Use PyLong_FromLong(). (ZyX)

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    939,
 /**/
     938,
 /**/