Switch to the new code style

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/include/alt-dummy/timing_alt.h b/tests/include/alt-dummy/timing_alt.h
index f2da154..9d4e100 100644
--- a/tests/include/alt-dummy/timing_alt.h
+++ b/tests/include/alt-dummy/timing_alt.h
@@ -19,13 +19,11 @@
 #ifndef TIMING_ALT_H
 #define TIMING_ALT_H
 
-struct mbedtls_timing_hr_time
-{
+struct mbedtls_timing_hr_time {
     int dummy;
 };
 
-typedef struct mbedtls_timing_delay_context
-{
+typedef struct mbedtls_timing_delay_context {
     int dummy;
 } mbedtls_timing_delay_context;