os/compression/compress_read.c : Declare decompression related global variables as static
Variables for compression header and decompression buffers are used only in this
file. So declaring them as static.
* Private Declarations
****************************************************************************/
-struct s_header *compression_header;
-struct s_buffer buffers;
+static struct s_header *compression_header;
+static struct s_buffer buffers;
/****************************************************************************
* Private Functions
