Merge branch 'fix/frizlab/compilation_old_platforms_again' into develop

Author: Frizlab

Tests/JSONLoggerTests/Helpers/FileHandleHelper.swift

@@ -16,7 +16,7 @@ private let system_close = close
 extension FileHandle {
 
 	func jl_close() throws {
-		if #available(macOS 10.15, *) {
+		if #available(macOS 10.15, tvOS 13.0, iOS 13.0, watchOS 6.0, *) {
 			try close()
 		} else {
 #if !os(Windows)
@@ -32,7 +32,7 @@ extension FileHandle {
 	}
 
 	func jl_readToEnd() throws -> Data? {
-		if #available(macOS 10.15, tvOS 13.0, iOS 13.0, watchOS 6.0, *) {
+		if #available(macOS 10.15.4, tvOS 13.4, iOS 13.4, watchOS 6.2, *) {
 #if swift(>=5.2) || !canImport(Darwin)
 			return try readToEnd()
 #elseif !os(Windows)