tools lib traceevent: Add missing break in make_bprint_args

In the current code we assign vsize=8 and then fall through to the
default and assign vsize=1. -> probably the break is missing here,
otherwise we can remove the case.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/n/tip-3fxjy46h2tr9pl0spv7tems6@git.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
diff --git a/event-parse.c b/event-parse.c
index 8630160..f880db4 100644
--- a/event-parse.c
+++ b/event-parse.c
@@ -3594,6 +3594,7 @@
 					break;
 				case 2:
 					vsize = 8;
+					break;
 				default:
 					vsize = ls; /* ? */
 					break;