Fix importing float value

Signed-off-by: Carl Schwan <carl@carlschwan.eu>

core/Command/Config/Import.php

@@ -169,8 +169,8 @@ class Import extends Command implements CompletionAwareInterface {
 	 * @param string $configName
 	 */
 	protected function checkTypeRecursively($configValue, $configName) {
-		if (!is_array($configValue) && !is_bool($configValue) && !is_int($configValue) && !is_string($configValue) && !is_null($configValue)) {
-			throw new \UnexpectedValueException('Invalid system config value for "' . $configName . '". Only arrays, bools, integers, strings and null (delete) are allowed.');
+		if (!is_array($configValue) && !is_bool($configValue) && !is_int($configValue) && !is_string($configValue) && !is_null($configValue) && !is_float($configValue)) {
+			throw new \UnexpectedValueException('Invalid system config value for "' . $configName . '". Only arrays, bools, integers, floats, strings and null (delete) are allowed.');
 		}
 		if (is_array($configValue)) {
 			foreach ($configValue as $key => $value) {