PIFile::readAll patch

lib/main/io_devices/pifile.cpp

@@ -235,6 +235,7 @@ PIByteArray PIFile::readAll(bool forceRead) {
 	llong s = size();
 	if (s < 0) return a;
 	a.resize(s);
+	seekToBegin();
 	fread(a.data(), 1, s, PRIVATE->fd);
 	seek(cp);
 	if (s >= 0) a.resize(s);