replace missing layer `getSQL` with `getQuery`
replace missing layer `getSQL` with `getQuery`

`getSQL` didn't exist when I tried this.
CartoDB/cartodb.js,splashblot/cartodb.js,Stonelinks/cartodb-lite,splashblot/cartodb.js,Stonelinks/cartodb-lite,CartoDB/cartodb.js,splashblot/cartodb.js,johan--/cartodb.js,CartoDB/cartodb.js,splashblot/cartodb.js,CartoDB/cartodb.js,Stonelinks/cartodb-lite,johan--/cartodb.js,johan--/cartodb.js,johan--/cartodb.js,Stonelinks/cartodb-lite