Rebuild PO to strings

```sh
for i in view/lang/*/messages.po; do bin/console po2php $i; done
```

view/lang/cs/strings.php

@@ -2,6 +2,7 @@
 
 if(! function_exists("string_plural_select_cs")) {
 function string_plural_select_cs($n){
+	$n = intval($n);
 	return ($n==1) ? 0 : ($n>=2 && $n<=4) ? 1 : 2;;
 }}
 ;