[Finishes #70787422] Portuguese string with too many parameters

The original string had two %3's.  Brendan talked to a Brazilian friend of his on Facebook who confirmed that's the desired form, but we only have space for three parameters:
![image](https://cloud.githubusercontent.com/assets/1767466/2896091/4e52f9ba-d568-11e3-8dc6-a5368d52d204.png)

Instead I stole the string from the Brazilian Portuguese string file.  Brendan's friend said this string was reasonable.  I also changed the accepted string for Portuguese in crowdin.