Fix minor style issues

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 8884267..dd638de 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -7675,7 +7675,6 @@
                                             &mbedtls_threading_psa_rngdata_mutex));
 #endif /* defined(MBEDTLS_THREADING_C) */
 
-
             break;
 
         case PSA_CRYPTO_SUBSYSTEM_TRANSACTION:
diff --git a/library/psa_crypto_slot_management.c b/library/psa_crypto_slot_management.c
index 6a51644..b184ed0 100644
--- a/library/psa_crypto_slot_management.c
+++ b/library/psa_crypto_slot_management.c
@@ -36,7 +36,6 @@
 
 static uint8_t psa_get_key_slots_initialized(void)
 {
-
     uint8_t initialized;
 
 #if defined(MBEDTLS_THREADING_C)