vatrace: fix a missing field of va_TraceMsg

Signed-off-by: Austin Yuan <shengquan.yuan@intel.com>
(cherry picked from commit 2bf493a4838b419a61fa5cc6925fab4d4786dbcd)
diff --git a/va/va_trace.c b/va/va_trace.c
index 24f4759..6ee7bae 100644
--- a/va/va_trace.c
+++ b/va/va_trace.c
@@ -497,9 +497,9 @@
                             tmp->offsets[0], tmp->offsets[1], tmp->offsets[2], tmp->offsets[3]);
                 va_TraceMsg(trace_ctx, "\t\t  flags=0x%08x\n", tmp->flags);
                 va_TraceMsg(trace_ctx, "\t\t  num_buffers=0x%08x\n", tmp->num_buffers);
-                va_TraceMsg(trace_ctx, "\t\t  buffers=\n", tmp->buffers);
+                va_TraceMsg(trace_ctx, "\t\t  buffers=%p\n", tmp->buffers);
                 for (j = 0; j < tmp->num_buffers; j++) {
-                    va_TraceMsg(trace_ctx, "\t\t\tbuffers[%j]=0x%08x\n", tmp->buffers[j]);
+                    va_TraceMsg(trace_ctx, "\t\t\tbuffers[%j]=%p\n", tmp->buffers[j]);
                 }
             }
             break;