patch 8.2.2562: GUI: star register changed when 'clipboard is "unnamedplus"

Problem:    GUI: star register changed when 'clipboard is "unnamedplus". (Ingo
            Karkat)
Solution:   Do not change the star register when 'clipboard' contains
            "unnamedplus" and not "unnamed". (closes #1516)
diff --git a/src/version.c b/src/version.c
index 17cb8d9..c4859de 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2562,
+/**/
     2561,
 /**/
     2560,