Fix a warning about a shadowed variable name
Fix a warning about a shadowed variable name

This wouldn't cause any problem in practice, but it's good to fix the
warning.

hzj123/56th,patricmutwiri/pombola,geoffkilpin/pombola,geoffkilpin/pombola,ken-muturi/pombola,ken-muturi/pombola,hzj123/56th,mysociety/pombola,geoffkilpin/pombola,ken-muturi/pombola,ken-muturi/pombola,hzj123/56th,mysociety/pombola,ken-muturi/pombola,patricmutwiri/pombola,mysociety/pombola,patricmutwiri/pombola,patricmutwiri/pombola,geoffkilpin/pombola,mysociety/pombola,geoffkilpin/pombola,geoffkilpin/pombola,patricmutwiri/pombola,ken-muturi/pombola,hzj123/56th,mysociety/pombola,mysociety/pombola,hzj123/56th,hzj123/56th,patricmutwiri/pombola