2013-05-24  Gary Benson  <gbenson@redhat.com>

	* gdb.base/solib-disc.exp (exec_opts): Remove unnecesary
	backslash.
	* gdb.base/unload.exp (exec_opts): Remove two unnecessary
	backslashes.
	* gdb.base/watchpoint-solib.exp (exec_opts): Remove unnecesary
	backslash.