Switch to the new code style

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/suites/test_suite_arc4.function b/tests/suites/test_suite_arc4.function
index c1e2386..c1b19d5 100644
--- a/tests/suites/test_suite_arc4.function
+++ b/tests/suites/test_suite_arc4.function
@@ -8,30 +8,30 @@
  */
 
 /* BEGIN_CASE */
-void mbedtls_arc4_crypt( data_t * src_str, data_t * key_str, data_t * dst )
+void mbedtls_arc4_crypt(data_t *src_str, data_t *key_str, data_t *dst)
 {
     unsigned char dst_str[1000];
     mbedtls_arc4_context ctx;
 
     memset(dst_str, 0x00, 1000);
-    mbedtls_arc4_init( &ctx );
+    mbedtls_arc4_init(&ctx);
 
 
     mbedtls_arc4_setup(&ctx, key_str->x, key_str->len);
-    TEST_ASSERT( mbedtls_arc4_crypt(&ctx, src_str->len,
-                                    src_str->x, dst_str ) == 0 );
+    TEST_ASSERT(mbedtls_arc4_crypt(&ctx, src_str->len,
+                                   src_str->x, dst_str) == 0);
 
-    TEST_ASSERT( mbedtls_test_hexcmp( dst_str, dst->x,
-                                      src_str->len, dst->len ) == 0 );
+    TEST_ASSERT(mbedtls_test_hexcmp(dst_str, dst->x,
+                                    src_str->len, dst->len) == 0);
 
 exit:
-    mbedtls_arc4_free( &ctx );
+    mbedtls_arc4_free(&ctx);
 }
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
-void arc4_selftest(  )
+void arc4_selftest()
 {
-    TEST_ASSERT( mbedtls_arc4_self_test( 1 ) == 0 );
+    TEST_ASSERT(mbedtls_arc4_self_test(1) == 0);
 }
 /* END_CASE */