kernelshark: Fix tepdata_dump_entry() for event_id = KS_EVENT_OVERFLOW

Generated string was dropped, and did generate a memory leak,
because of the missing break.

Signed-off-by: Benjamin ROBIN <[email protected]>
Signed-off-by: Yordan Karadzhov <[email protected]>

src/libkshark-tepdata.c

@@ -1046,6 +1046,7 @@ static char *tepdata_dump_entry(struct kshark_data_stream *stream,
 		case KS_EVENT_OVERFLOW:
 			entry_str = tepdata_dump_custom_entry(stream, entry,
 							     missed_events_dump);
+			break;
 		default:
 			return NULL;
 		}