Automated g4 rollback of changelist 29478.

*** Reason for rollback ***

  these semicolons are necessary only because of a bug in 6g

*** Original change description ***

add missing semicolons in example

TBR=gri
OCL=29624
CL=29624

doc/go_spec.html

@@ -3270,14 +3270,14 @@ and the variables are initialized once before the statement is entered.
 
 <pre>
 switch tag {
-default: s3();
-case 0, 1, 2, 3: s1();
-case 4, 5, 6, 7: s2();
+default: s3()
+case 0, 1, 2, 3: s1()
+case 4, 5, 6, 7: s2()
 }
 
 switch x := f(); {
-case x &lt; 0: return -x;
-default: return x;
+case x &lt; 0: return -x
+default: return x
 }
 
 switch {          // missing expression means "true"