Bugfixes in the compression algorithm

Author: sadko4u

include/lsp-plug.in/resource/Compressor.h

@@ -50,6 +50,7 @@ namespace lsp
                 size_t                          nSegment;       // Start of data segment
                 size_t                          nOffset;        // Current offset in segment
                 cbuffer_t                       sBuffer;        // Buffer for caching
+//                FILE                           *hFD;
 
             protected:
                 status_t            alloc_entry(raw_resource_t **r, io::Path *path, resource_type_t type);

include/lsp-plug.in/resource/buffer.h

@@ -89,6 +89,13 @@ namespace lsp
                  */
                 size_t          lookup(size_t *out, const void *src, size_t avail);
 
+                /**
+                 * Get byte relative to the last written byte
+                 * @param offset offset relative to the last written byte
+                 * @return byte
+                 */
+                uint8_t         byte_at(size_t offset);
+
                 /**
                  * Cleanup state of the buffer
                  */