Replace "%s" in "Squiz.ControlStructures.ForLoopDeclaration.SpacingBeforeClose" error

The "SpacingBeforeClose" error in the "Squiz.ControlStructures.ForLoopDeclaration" sniff has non-replaced "%s" in it:
```
Expected %s spaces before closing bracket; %s found 
```
This PR replaces them with actual values.