message: Fix build error caused by nonexplicit integer conversion.
diff: // See the License for the specific language governing permissions and
  // limitations under the License.
  +import Foundation
  +import TensorFlowLiteC
  +
  #if os(Linux)
  import SwiftGlibc
  #else
  import Darwin
  #endif
  -import Foundation
  -import TensorFlowLiteC
  -
  /// A TensorFlow Lite interpreter that performs inference from a given model.
  public final class Interpreter {
  /// The configuration options for the `Interpreter`.
  @@ -338,9 +338,9 @@ extension String {
  /// - arguments: A C pointer to a `va_list` of arguments to substitute into `cFormat`.
  init?(cFormat: UnsafePointer<CChar>, arguments: CVaListPointer) {
  #if os(Linux)
  - let length = vsnprintf(nil, 0, cFormat, arguments) + 1 // null terminator
  + let length = Int(vsnprintf(nil, 0, cFormat, arguments) + 1) // null terminator
  guard length > 0 else { return nil }
  - var buffer = UnsafeMutablePointer<CChar>.allocate(capacity: length)
  + let buffer = UnsafeMutablePointer<CChar>.allocate(capacity: length)
  defer {
  buffer.deallocate()
  }
  