patch 8.2.3755: Coverity warns for using a buffer in another scope

Problem:    Coverity warns for using a buffer in another scope.
Solution:   Declare the buffer in a common scope.

src/version.c

@@ -753,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3755,
 /**/
     3754,
 /**/