Fix save as image for when the street is too wide.
Fix save as image for when the street is too wide.

macGRID-SRN/streetmix,kodujdlapolski/streetmix,magul/streetmix,kodujdlapolski/streetmix,CodeForBrazil/streetmix,codeforamerica/streetmix,kodujdlapolski/streetmix,CodeForBrazil/streetmix,codeforamerica/streetmix,magul/streetmix,codeforamerica/streetmix,macGRID-SRN/streetmix,magul/streetmix,CodeForBrazil/streetmix,macGRID-SRN/streetmix