Fix "save breakpoints" for "catch" command

Fix "save breakpoints" for "catch" command

gdb/ChangeLog
2014-10-13  Miroslav Franc  <mfranc@redhat.com>
	    Jan Kratochvil  <jan.kratochvil@redhat.com>

	Fix "save breakpoints" for "catch" command.
	* break-catch-sig.c (signal_catchpoint_print_recreate): Add trailing
	newline.

gdb/testsuite/ChangeLog
2014-10-13  Jan Kratochvil  <jan.kratochvil@redhat.com>
	    Yao Qi  <yao@codesourcery.com>

	Fix "save breakpoints" for "catch" command.
	* gdb.base/catch-signal.exp: Add gdb_breakpoint "main".
	Remove -nonewline.  Match also the added "main" line.