[DbgHelp]: SymGet{Next|Prev}Line64.

[Robert Shearman]

Eric Pouech wrote:

>  /* dbghelp.c */
> extern struct process* process_find_by_handle(HANDLE hProcess);
>+extern BOOL validate_addr64(DWORD64 addr);
> extern HANDLE hMsvcrt;
> extern BOOL validate_addr64(DWORD64 addr);
>  
>

validate_addr64 is duplicated.

-- 
Rob Shearman