close FileInputStreams to prevent resource leak

amethyst/src/main/java/com/vitorpamplona/amethyst/service/crashreports/CrashReportCache.kt

@@ -50,8 +50,10 @@ class CrashReportCache(
     suspend fun loadAndDelete(): String? =
         withContext(Dispatchers.IO) {
             val stack =
-                inputStreamOrNull()?.let { inStream ->
-                    InputStreamReader(inStream).readText()
+                inputStreamOrNull()?.use { inStream ->
+                    InputStreamReader(inStream).use { reader ->
+                        reader.readText()
+                    }
                 }
             deleteReport()
             stack

quartz/src/androidMain/kotlin/com/vitorpamplona/quartz/nip03Timestamp/ots/op/OpCrypto.kt

@@ -73,7 +73,7 @@ abstract class OpCrypto internal constructor() : OpUnary() {
     }
 
     @Throws(IOException::class, NoSuchAlgorithmException::class)
-    fun hashFd(file: File?): ByteArray = hashFd(FileInputStream(file))
+    fun hashFd(file: File?): ByteArray = FileInputStream(file).use { inputStream -> hashFd(inputStream) }
 
     @Throws(IOException::class, NoSuchAlgorithmException::class)
     fun hashFd(bytes: ByteArray): ByteArray {