[clang-format][NFC] Format lambda in conditional

[HazardyKnusperkeks]

Summary

This sort of amends cdbe296853b1b3fc6415236f05770360e23f0d39

clang/lib/Format/TokenAnnotator.cpp

void parse(int Precedence = 0) {
     if (LatestOperator && (Current || Precedence > 0)) {
       // The requires clauses do not neccessarily end in a semicolon or a brace,
       // but just go over to struct/class or a function declaration, we need to
       // intervene so that the fake right paren is inserted correctly.
       auto End =
           (Start->Previous &&
            Start->Previous->isOneOf(TT_RequiresClause,
                                     TT_RequiresClauseInARequiresExpression))
-              ? [this](){
+              ? [this]() {
                   auto Ret = Current ? Current : Line.Last;
                   while (!Ret->ClosesRequiresClause && Ret->Previous)
                     Ret = Ret->Previous;
                   return Ret;
                 }()
               : nullptr;
 
       if (Precedence == PrecedenceArrowAndPeriod) {