diff --git a/microscript/ILibDuktape_Polyfills.c b/microscript/ILibDuktape_Polyfills.c
index f506c1a..69e0b5f 100644
--- a/microscript/ILibDuktape_Polyfills.c
+++ b/microscript/ILibDuktape_Polyfills.c
@@ -1960,7 +1960,7 @@ void ILibDuktape_dataGenerator_onResume(struct ILibDuktape_readableStream *sende
 
 		SHA256_Init(&shctx);
 		SHA256_Update(&shctx, buffer + UTIL_SHA256_HASHSIZE, bufferLen - UTIL_SHA256_HASHSIZE);
-		SHA256_Final(buffer, &shctx);
+		SHA256_Final((unsigned char*)buffer, &shctx);
 		ILibDuktape_readableStream_WriteData(sender, buffer, bufferLen);
 	}
 }
diff --git a/microscript/ILibDuktape_ReadableStream.c b/microscript/ILibDuktape_ReadableStream.c
index 64e29ae..02680be 100644
--- a/microscript/ILibDuktape_ReadableStream.c
+++ b/microscript/ILibDuktape_ReadableStream.c
@@ -28,6 +28,8 @@ limitations under the License.
 #define ILibDuktape_readableStream_WritePipes_Stream	"\xFF_WritePipes_Stream"
 #define ILibDuktape_readableStream_PipeArray			"\xFF_RS_PipeArray"
 
+int ILibDuktape_readableStream_resume_flush(ILibDuktape_readableStream *rs);
+
 #ifdef __DOXY__
 /*! 
 \implements EventEmitter