imapc: Remove "_sec" suffix from imapc_connection_retry_interval_secs

Its type is SET_TIME, so the value doesn't have to be in seconds.

src/lib-storage/index/imapc/imapc-settings.c

@@ -31,7 +31,7 @@ static const struct setting_define imapc_setting_defines[] = {
 	DEF(SET_TIME, imapc_cmd_timeout),
 	DEF(SET_TIME, imapc_max_idle_time),
 	DEF(SET_UINT, imapc_connection_retry_count),
-	DEF(SET_TIME, imapc_connection_retry_interval_secs),
+	DEF(SET_TIME, imapc_connection_retry_interval),
 	DEF(SET_SIZE, imapc_max_line_length),
 
 	DEF(SET_STR, pop3_deleted_flag),
@@ -57,7 +57,7 @@ static const struct imapc_settings imapc_default_settings = {
 	.imapc_cmd_timeout = 5*60,
 	.imapc_max_idle_time = 60*29,
 	.imapc_connection_retry_count = 1,
-	.imapc_connection_retry_interval_secs = 10,
+	.imapc_connection_retry_interval = 10,
 	.imapc_max_line_length = 0,
 
 	.pop3_deleted_flag = ""

src/lib-storage/index/imapc/imapc-settings.h

@@ -42,7 +42,7 @@ struct imapc_settings {
 	unsigned int imapc_cmd_timeout;
 	unsigned int imapc_max_idle_time;
 	unsigned int imapc_connection_retry_count;
-	unsigned int imapc_connection_retry_interval_secs;
+	unsigned int imapc_connection_retry_interval;
 	uoff_t imapc_max_line_length;
 
 	const char *pop3_deleted_flag;

src/lib-storage/index/imapc/imapc-storage.c

@@ -305,7 +305,7 @@ int imapc_storage_client_create(struct mail_namespace *ns,
 	set.use_proxyauth = (imapc_set->parsed_features & IMAPC_FEATURE_PROXYAUTH) != 0;
 	set.cmd_timeout_msecs = imapc_set->imapc_cmd_timeout * 1000;
 	set.connect_retry_count = imapc_set->imapc_connection_retry_count;
-	set.connect_retry_interval_secs = imapc_set->imapc_connection_retry_interval_secs;
+	set.connect_retry_interval_secs = imapc_set->imapc_connection_retry_interval;
 	set.max_idle_time = imapc_set->imapc_max_idle_time;
 	set.max_line_length = imapc_set->imapc_max_line_length;
 	set.dns_client_socket_path = *ns->user->set->base_dir == '\0' ? "" :