perf test: Change type of '-v' option to INCR

The '-v' option is usually defined via OPT_INCR not _INTEGER.  Follow
the trend :).

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1325957132-10600-2-git-send-email-namhyung@gmail.com
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-test.c

@@ -1396,7 +1396,7 @@ int cmd_test(int argc, const char **argv, const char *prefix __used)
 	NULL,
 	};
 	const struct option test_options[] = {
-	OPT_INTEGER('v', "verbose", &verbose,
+	OPT_INCR('v', "verbose", &verbose,
 		    "be more verbose (show symbol address, etc)"),
 	OPT_END()
 	};