[RFA] fix build failure

Hi,

I got a build failure while building on x86_64-apple-darwin, because ULONGEST isn't the same type as uint64_t.

Ok for trunk ?

Tristan.

2012-07-20  Tristan Gingold  <gingold <at> adacore.com>

	* dwarf2loc.c (locexpr_describe_location_piece): Use uint64_t for offset.

diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c
index 38e4814..830220f 100644
--- a/gdb/dwarf2loc.c
+++ b/gdb/dwarf2loc.c
 <at>  <at>  -3430,7 +3430,7  <at>  <at>  locexpr_describe_location_piece (struct symbol *symbol, st
           && data[1 + leb128_size] == DW_OP_GNU_push_tls_address
           && piece_end_p (data + 2 + leb128_size, end))
     {
-      ULONGEST offset;
+      uint64_t offset;

       data = safe_read_uleb128 (data + 1, end, &offset);
       offset = dwarf2_read_addr_index (per_cu, offset);