gdb/

gdb/
	Replace re_comp/re_exec by regcomp/regexec.
	* symtab.c (struct search_symbols_data): New fields preg, preg_p.
	(search_symbols_name_matches): Use them, use regexec.
	(search_symbols): New variable retval_chain, adjust the use of
	old_chain against it.  Replace re_comp by regcomp.  Use the new struct
	search_symbols_data fields, use regexec instead of re_exec.