*-login, imapc: Fix new lib-sasl API usage

Forgot to include these in a669d35

src/imap-login/imap-proxy.c

@@ -75,7 +75,7 @@ static int proxy_write_login(struct imap_client *client, string_t *str)
 {
 	struct dsasl_client_settings sasl_set;
 	const unsigned char *output;
-	unsigned int len;
+	size_t len;
 	const char *mech_name, *error;
 
 	/* Send CAPABILITY command if we don't know the capabilities yet.
@@ -231,7 +231,7 @@ int imap_proxy_parse_line(struct client *client, const char *line)
 	struct ostream *output;
 	string_t *str;
 	const unsigned char *data;
-	unsigned int data_len;
+	size_t data_len;
 	const char *error;
 	int ret;
 

src/lib-imap-client/imapc-connection.c

@@ -816,8 +816,7 @@ imapc_connection_authenticate_cb(const struct imapc_command_reply *reply,
 {
 	struct imapc_connection *conn = context;
 	const unsigned char *sasl_output;
-	unsigned int sasl_output_len;
-	size_t input_len;
+	size_t input_len, sasl_output_len;
 	buffer_t *buf;
 	const char *error;
 
@@ -959,7 +958,7 @@ static void imapc_connection_authenticate(struct imapc_connection *conn)
 
 	if ((conn->capabilities & IMAPC_CAPABILITY_SASL_IR) != 0) {
 		const unsigned char *sasl_output;
-		unsigned int sasl_output_len;
+		size_t sasl_output_len;
 		string_t *sasl_output_base64;
 		const char *error;
 

src/pop3-login/pop3-proxy.c

@@ -25,7 +25,7 @@ static int proxy_send_login(struct pop3_client *client, struct ostream *output)
 {
 	struct dsasl_client_settings sasl_set;
 	const unsigned char *sasl_output;
-	unsigned int len;
+	size_t len;
 	const char *mech_name, *error;
 	string_t *str;
 
@@ -91,7 +91,7 @@ pop3_proxy_continue_sasl_auth(struct client *client, struct ostream *output,
 {
 	string_t *str;
 	const unsigned char *data;
-	unsigned int data_len;
+	size_t data_len;
 	const char *error;
 	int ret;