code review 174042: make test/ken safe for optional semis

test/ken/strvar.go

 // $G $D/$F.go && $L $F.$A && ./$A.out
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 
 package main
 
 type    x2      struct { a,b,c int; d int; };
 var     g1      x2;
 var     g2      struct { a,b,c int; d x2; };
 
 func
-main()
-{
+main() {
         var x int;
         var s1 *x2;
         var s2 *struct { a,b,c int; d x2; };
         var s3 struct { a,b,c int; d x2; };
 
         s1 = &g1;
         s2 = &g2;
 
         s1.a = 1;
         s1.b = 2;
@@ skipping 43 matching lines @@
         x =     s3.a +
                 s3.b +
                 s3.c +
                 s3.d.a +
                 s3.d.b +
                 s3.d.c +
                 s3.d.d;
 
         if(x != 119) { panic(x); }
 }