Use a seperate section for each nested struct member in INIT macro

src/libstrongswan/plugins/pkcs11/pkcs11_hasher.c

@@ -300,12 +300,14 @@ pkcs11_hasher_t *pkcs11_hasher_create(hash_algorithm_t algo)
 	private_pkcs11_hasher_t *this;
 
 	INIT(this,
-		.public.hasher = {
-			.get_hash_size = _get_hash_size,
-			.reset = _reset,
-			.get_hash = _get_hash,
-			.allocate_hash = _allocate_hash,
-			.destroy = _destroy,
+		.public = {
+			.hasher = {
+				.get_hash_size = _get_hash_size,
+				.reset = _reset,
+				.get_hash = _get_hash,
+				.allocate_hash = _allocate_hash,
+				.destroy = _destroy,
+			},
 		},
 		.mutex = mutex_create(MUTEX_TYPE_DEFAULT),
 	);

src/libstrongswan/plugins/pkcs11/pkcs11_plugin.c

@@ -132,7 +132,11 @@ plugin_t *pkcs11_plugin_create()
 	CK_SLOT_ID slot;
 
 	INIT(this,
-		.public.plugin.destroy = _destroy,
+		.public = {
+			.plugin = {
+				.destroy = _destroy,
+			},
+		},
 		.creds = linked_list_create(),
 		.mutex = mutex_create(MUTEX_TYPE_DEFAULT),
 	);

src/libstrongswan/plugins/pkcs11/pkcs11_private_key.c

@@ -531,19 +531,21 @@ pkcs11_private_key_t *pkcs11_private_key_connect(key_type_t type, va_list args)
 	}
 
 	INIT(this,
-		.public.key = {
-			.get_type = _get_type,
-			.sign = _sign,
-			.decrypt = _decrypt,
-			.get_keysize = _get_keysize,
-			.get_public_key = _get_public_key,
-			.equals = private_key_equals,
-			.belongs_to = private_key_belongs_to,
-			.get_fingerprint = _get_fingerprint,
-			.has_fingerprint = private_key_has_fingerprint,
-			.get_encoding = _get_encoding,
-			.get_ref = _get_ref,
-			.destroy = _destroy,
+		.public = {
+			.key = {
+				.get_type = _get_type,
+				.sign = _sign,
+				.decrypt = _decrypt,
+				.get_keysize = _get_keysize,
+				.get_public_key = _get_public_key,
+				.equals = private_key_equals,
+				.belongs_to = private_key_belongs_to,
+				.get_fingerprint = _get_fingerprint,
+				.has_fingerprint = private_key_has_fingerprint,
+				.get_encoding = _get_encoding,
+				.get_ref = _get_ref,
+				.destroy = _destroy,
+			},
 		},
 		.ref = 1,
 	);