Override close explicitly

mirai-core/src/androidMain/kotlin/net/mamoe/mirai/utils/io/PlatformSocket.kt

@@ -32,7 +32,7 @@ actual class PlatformSocket : Closeable {
     actual val isOpen: Boolean
         get() = socket.isConnected
 
-    override fun close() = socket.close()
+    actual override fun close() = socket.close()
 
     @PublishedApi
     internal lateinit var writeChannel: BufferedOutputStream

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/io/PlatformSocket.kt

@@ -11,7 +11,6 @@ package net.mamoe.mirai.utils.io
 
 import kotlinx.io.core.ByteReadPacket
 import kotlinx.io.core.Closeable
-import kotlinx.io.errors.IOException
 import net.mamoe.mirai.utils.MiraiInternalAPI
 
 /**
@@ -37,4 +36,6 @@ expect class PlatformSocket() : Closeable {
     suspend fun read(): ByteReadPacket
 
     val isOpen: Boolean
+
+    override fun close()
 }
\ No newline at end of file

mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/io/PlatformSocket.kt

@@ -32,7 +32,7 @@ actual class PlatformSocket : Closeable {
     actual val isOpen: Boolean
         get() = socket.isConnected
 
-    override fun close() {
+    actual override fun close() {
         if (::socket.isInitialized) {
             socket.close()
         }