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.
PR tdep/14222 * gdb.arch/i386-sse-stack-align.S: New file. * gdb.arch/i386-sse-stack-align.c: New file. * gdb.arch/i386-sse-stack-align.exp: New file.