Switch to the new code style

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/include/alt-dummy/cmac_alt.h b/tests/include/alt-dummy/cmac_alt.h
index 4c9feee..13c998d 100644
--- a/tests/include/alt-dummy/cmac_alt.h
+++ b/tests/include/alt-dummy/cmac_alt.h
@@ -19,8 +19,7 @@
 #ifndef CMAC_ALT_H
 #define CMAC_ALT_H
 
-struct mbedtls_cmac_context_t
-{
+struct mbedtls_cmac_context_t {
     int dummy;
 };