[obv] Fix debug message in cmd_qtbuffer

[Yao Qi]

Hi, we want to print offset in hex here, so phex_nz should be used
instead of pulongest.  Committed.

gdb/gdbserver:

2013-02-28  Yao Qi  <yao@codesourcery.com>

	* tracepoint.c (cmd_qtbuffer): Call phex_nz instead of
	pulongest.
---
 gdb/gdbserver/tracepoint.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/gdb/gdbserver/tracepoint.c b/gdb/gdbserver/tracepoint.c
index ba681c4..0f83ae6 100644
--- a/gdb/gdbserver/tracepoint.c
+++ b/gdb/gdbserver/tracepoint.c
@@ -3969,7 +3969,7 @@ cmd_qtbuffer (char *own_buf)
   unpack_varlen_hex (packet, &num);
 
   trace_debug ("Want to get trace buffer, %d bytes at offset 0x%s",
-	       (int) num, pulongest (offset));
+	       (int) num, phex_nz (offset, 0));
 
   tot = (trace_buffer_hi - trace_buffer_lo) - free_space ();
 
-- 
1.7.7.6