Fix standard-compliance thanks to Clang warning.
Fix standard-compliance thanks to Clang warning.

("warning: C++11 requires lambda with omitted result type
to consist of a single return statement [-Wlambda-extensions]")

idupree/Lasercake,elidupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,idupree/Lasercake,idupree/Lasercake,Lasercake/Lasercake,elidupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,elidupree/Lasercake,Lasercake/Lasercake,idupree/Lasercake,elidupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,Lasercake/Lasercake,Lasercake/Lasercake,Lasercake/Lasercake