updated for version 7.3.029

Problem:    ":sort n" sorts lines without a number as number zero. (Beeyawned)
Solution:   Make lines without a number sort before lines with a number.  Also
            fix sorting negative numbers.

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    29,
 /**/
     28,
 /**/