Fix code style (for real this time, hopefully)

For some reason I didn't think about other files in the previous commit.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/tests/src/bignum_codepath_check.c b/tests/src/bignum_codepath_check.c
index b6b85d9..b752d13 100644
--- a/tests/src/bignum_codepath_check.c
+++ b/tests/src/bignum_codepath_check.c
@@ -13,7 +13,7 @@
 
 void mbedtls_codepath_take_safe(void)
 {
-    if(mbedtls_codepath_check == MBEDTLS_MPI_IS_TEST) {
+    if (mbedtls_codepath_check == MBEDTLS_MPI_IS_TEST) {
         mbedtls_codepath_check = MBEDTLS_MPI_IS_SECRET;
     }
 }
@@ -36,4 +36,3 @@
 }
 
 #endif /* MBEDTLS_TEST_HOOKS && !MBEDTLS_THREADING_C */
-