patch 8.2.0026: still some /* */ comments

Problem:    Still some /* */ comments.
Solution:   Convert to // comments.

src/version.c

@@ -742,6 +742,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    26,
 /**/
     25,
 /**/