Whitespace fixes; removed redundant parentheses

No semantic change.
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 5fd1142..d1960f7 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -473,9 +473,9 @@
 
     if( !( slot->policy.usage & PSA_KEY_USAGE_EXPORT ) )
         return( PSA_ERROR_NOT_PERMITTED );
-		
-    if( ( export_public_key ) && ( !( PSA_KEY_TYPE_IS_PUBLIC_KEY( slot->type ) 
-				 || PSA_KEY_TYPE_IS_KEYPAIR( slot->type ) ) ) )
+
+    if( export_public_key && !( PSA_KEY_TYPE_IS_PUBLIC_KEY( slot->type ) ||
+                                PSA_KEY_TYPE_IS_KEYPAIR( slot->type ) ) )
         return( PSA_ERROR_INVALID_ARGUMENT );
 
     if( PSA_KEY_TYPE_IS_RAW_BYTES( slot->type ) )
@@ -520,8 +520,8 @@
 #endif /* defined(MBEDTLS_PK_WRITE_C) */
         {
             /* This shouldn't happen in the reference implementation, but
-            it is valid for a special-purpose implementation to omit
-            support for exporting certain key types. */
+               it is valid for a special-purpose implementation to omit
+               support for exporting certain key types. */
             return( PSA_ERROR_NOT_SUPPORTED );
         }
     }
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 8c29f1d..48c6228 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -557,7 +557,7 @@
 
     psa_key_policy_init( &policy );
 
-    psa_key_policy_set_usage( &policy, PSA_KEY_USAGE_EXPORT, 
+    psa_key_policy_set_usage( &policy, PSA_KEY_USAGE_EXPORT,
                               PSA_ALG_VENDOR_FLAG );
 
     TEST_ASSERT( psa_set_key_policy( slot, &policy ) == PSA_SUCCESS );
@@ -580,7 +580,6 @@
     if( status != PSA_SUCCESS )
         goto destroy;
 
- 
     TEST_ASSERT( exported_length == (size_t) public_key_expected_length );
 
 destroy: