message: ObjC: fix some -Wpedantic warnings by removing ';'
  Remove some stray ';' that were in the source code.  NFC.
diff: @@ -124,7 +124,7 @@ namespace Foundation109 {
  using NSArrayMSyntheticFrontEnd =
  GenericNSArrayMSyntheticFrontEnd<DataDescriptor_32, DataDescriptor_64>;
  -};
  +}
  namespace Foundation1010 {
  struct DataDescriptor_32 {
  @@ -147,7 +147,7 @@ namespace Foundation1010 {
  using NSArrayMSyntheticFrontEnd =
  GenericNSArrayMSyntheticFrontEnd<DataDescriptor_32, DataDescriptor_64>;
  -};
  +}
  namespace Foundation1428 {
  struct DataDescriptor_32 {
  @@ -166,7 +166,7 @@ namespace Foundation1428 {
  using NSArrayMSyntheticFrontEnd =
  GenericNSArrayMSyntheticFrontEnd<DataDescriptor_32, DataDescriptor_64>;
  -};
  +}
  namespace Foundation1437 {
  template <typename PtrType>
  