Bump minimum lz4 version to r129 for LZ4_compress_default * INSTALL (C.22.LZ4): Bump minimum version to r129 * build/ac-macros/lz4.m4 (SVN_LZ4, SVN_LZ4_STD): Bump minimum version to r129 (SVN_LZ4_STD, SVN_LZ4_PREFIX): Check for LZ4_compress_default symbol