Two modifications:
1. The addition of 2013 to the copyright year range for every file;
2. The use of a single year range, instead of potentially multiple
year ranges, as approved by the FSF.
* gdb.go/chan.exp: Use standard_testfile.
* gdb.go/handcall.exp: Use standard_testfile.
* gdb.go/hello.exp: Use standard_testfile.
* gdb.integers/chan.exp: Use standard_testfile.
* gdb.go/methods.exp: Use standard_testfile.
* gdb.go/package.exp: Use standard_testfile.
* gdb.go/strings.exp: Use standard_testfile.
* gdb.go/types.exp: Use standard_testfile.
* gdb.go/unsafe.exp: Use standard_testfile.
Joel Brobecker
Tom Tromey
Doug Evans