playlist/PlaylistRegistry: use LockRewind() instead of Rewind()

Fixes a deadlock caused by commit 31ab78ae. That commit was not actually bad - just these two calls have always been bad, which went unnoticed for a long time.

playlist/PlaylistRegistry: use LockRewind() instead of Rewind()
c98bc4a2 · Max Kellermann · 014f8cd6 · c98bc4a2
Commit c98bc4a2 authored Nov 14, 2017 by Max Kellermann
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PlaylistRegistry.cxx src/playlist/PlaylistRegistry.cxx +2 -2

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--- a/src/playlist/PlaylistRegistry.cxx
+++ b/src/playlist/PlaylistRegistry.cxx
@@ -195,7 +195,7 @@ playlist_list_open_stream_mime2(InputStreamPtr &&is, const char *mime)
 			/* rewind the stream, so each plugin gets a
 			   fresh start */
 			try {
-				is->Rewind();
+				is->LockRewind();
 			} catch (const std::runtime_error &) {
 			}
@@ -239,7 +239,7 @@ playlist_list_open_stream_suffix(InputStreamPtr &&is, const char *suffix)
 			/* rewind the stream, so each plugin gets a
 			   fresh start */
 			try {
-				is->Rewind();
+				is->LockRewind();
 			} catch (const std::runtime_error &) {
 			}