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)
diff --git a/src/version.c b/src/version.c
index 08039d9..a7fe96c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    78,
+/**/
     77,
 /**/
     76,