patch 8.2.3125: variables are set but not used

Problem:    Variables are set but not used.
Solution:   Move the declarations to the block where they are used.
            (closes #8527)

src/version.c

@@ -755,6 +755,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3125,
 /**/
     3124,
 /**/