update code to follow new semicolon rules:

*  1. all statements and declarations are terminated by semicolons
 *  2. semicolons can be omitted at top level.
 *  3. semicolons can be omitted before and after the closing ) or }
 *	on a list of statements or declarations.

/home/rsc/bin/addsemi and then diff+tweak.

R=r,gri
OCL=16620
CL=16643

src/lib/os/os_error.go

@@ -16,7 +16,7 @@ var ErrorTab = new(map[int64] *Error);
 
 export func NewError(s string) *Error {
 	e := new(Error);
-	e.s = s
+	e.s = s;
 	return e
 }
 
@@ -24,7 +24,7 @@ export func ErrnoToError(errno int64) *Error {
 	if errno == 0 {
 		return nil
 	}
-	err, ok := ErrorTab[errno]
+	err, ok := ErrorTab[errno];
 	if ok {
 		return err
 	}