[PATCH 5/5] hurd: remove unused variables

[Samuel Thibault]

gdb/ChangeLog: 

2020-05-29  Samuel Thibault  <samuel.thiba...@ens-lyon.org>

        * gnu-nat.c (gnu_xfer_auxv): Remove unused `res' variable.
        (gnu_nat_target::find_memory_regions): Remove unused
        `old_address' variable.

diff --git a/gdb/gnu-nat.c b/gdb/gnu-nat.c
index 3b438a9a43..78e9ab7f71 100644
--- a/gdb/gnu-nat.c
+++ b/gdb/gnu-nat.c
@@ -2551,7 +2554,6 @@ gnu_xfer_auxv (gdb_byte *readbuf, const gdb_byte 
*writebuf,
                    ? gnu_current_inf->task->port : 0)
                 : 0);
   process_t proc;
-  int res;
   kern_return_t err;
   vm_address_t entry;
   ElfW(auxv_t) auxv[2];
@@ -2641,7 +2643,6 @@ gnu_nat_target::find_memory_regions 
(find_memory_region_ftype func,
       mach_port_t object_name;
       vm_offset_t offset;
       vm_size_t region_length = VM_MAX_ADDRESS - region_address;
-      vm_address_t old_address = region_address;
 
       err = vm_region (task,
                       &region_address,