SCI: Fix Unused Variable Compiler Warning when SCI32 is not enabled.

The bytesWritten variable is not used if SCI32 is not enabled. Fixed by
adding this and success flag to the debug console print.

engines/sci/engine/kfile.cpp

@@ -526,14 +526,15 @@ reg_t kFileIOWriteRaw(EngineState *s, int argc, reg_t *argv) {
 	uint bytesWritten = 0;
 	bool success = false;
 	s->_segMan->memcpy((byte *)buf, argv[1], size);
-	debugC(kDebugLevelFile, "kFileIO(writeRaw): %d, %d", handle, size);
 
 	FileHandle *f = getFileFromHandle(s, handle);
 	if (f) {
 		bytesWritten = f->_out->write(buf, size);
 		success = !f->_out->err();
 	}
 
+	debugC(kDebugLevelFile, "kFileIO(writeRaw): %d, %d (%d, %d)", handle, size, bytesWritten, success);
+
 	delete[] buf;
 
 #ifdef ENABLE_SCI32