updated for version 7.3.755

Problem:    Autoconf doesn't find Python 3 if it's called "python".
Solution:   Search for "python2" and "python3" first, then "python".

src/version.c

@@ -725,6 +725,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    755,
 /**/
     754,
 /**/