liblzma: Fix a memory leak in stream_encoder.c.

It leaks old filter options structures (hundred bytes or so)
every time the lzma_stream is reinitialized. With the xz tool,
this happens when compressing multiple files.

diff --git a/src/liblzma/common/stream_encoder.c b/src/liblzma/common/stream_encoder.c
index 48d91da..97a7a23 100644 (file)
--- a/src/liblzma/common/stream_encoder.c
+++ b/src/liblzma/common/stream_encoder.c
@@ -280,6 +280,7 @@ lzma_stream_encoder_init(lzma_next_coder *next, lzma_allocator *allocator,
                next->end = &stream_encoder_end;
                next->update = &stream_encoder_update;
 
+               next->coder->filters[0].id = LZMA_VLI_UNKNOWN;
                next->coder->block_encoder = LZMA_NEXT_CODER_INIT;
                next->coder->index_encoder = LZMA_NEXT_CODER_INIT;
                next->coder->index = NULL;
@@ -289,7 +290,6 @@ lzma_stream_encoder_init(lzma_next_coder *next, lzma_allocator *allocator,
        next->coder->sequence = SEQ_STREAM_HEADER;
        next->coder->block_options.version = 0;
        next->coder->block_options.check = check;
-       next->coder->filters[0].id = LZMA_VLI_UNKNOWN;
 
        // Initialize the Index
        lzma_index_end(next->coder->index, allocator);