[Patch][gdb] Initialise quiet flag for "info functions"

[Philippe Waroquiers]

Thanks for the analysis and fix,
I have pushed the below fix as obvious (and an equivalent fix in stack.c)
as d54cfd762b06.

Philippe

On Fri, 2018-11-02 at 11:30 +0000, Matthew Malcomson wrote:
> With this flag unset, using 'info functions' without a set quiet flag
> was not deterministic and was causing some flaky test failures.
> 
> Failures seen in (at least).
> gdb.base/info_qt.exp
> gdb.dwarf2/dw2-case-insensitive.exp
> gdb.base/info-fun.exp
> 
> Ok for trunk?
> I don't have commit rights.
> 
> gdb/ChangeLog:
> 
> 2018-11-02  Matthew Malcomson  <matthew.malcomson@arm.com>
> 
> 	* symtab.c (info_functions_command): Initialise quiet flag.
> 
> 
> 
> ###############     Attachment also inlined for ease of reply    ###############
> 
> 
> diff --git a/gdb/symtab.c b/gdb/symtab.c
> index cd27a75e8ca2370a9d11ae6057d051ca6ce13f90..7649908d9c9341ad695626e0a22a085f2af302ef 100644
> --- a/gdb/symtab.c
> +++ b/gdb/symtab.c
> @@ -4760,7 +4760,7 @@ info_functions_command (const char *args, int from_tty)
>  {
>    std::string regexp;
>    std::string t_regexp;
> -  bool quiet;
> +  bool quiet = false;
>  
>    while (args != NULL
>  	 && extract_info_print_args (&args, &quiet, &regexp, &t_regexp))
>