patch 9.0.0078: star register is unexpectedly changed when deleting

Problem:    Star register is changed when deleting and both "unnamed" and
            "unnamedplus" are in 'clipboard'.
Solution:   Make the use of the star register work as documented. (Ernie Rael,
            closes #10669)

src/version.c

@@ -735,6 +735,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    78,
 /**/
     77,
 /**/