zstd: Update our CMake build system for 1.5.7

Utilities/cmzstd/CMakeLists.txt

@@ -21,8 +21,8 @@ add_library(cmzstd STATIC
   lib/compress/fse_compress.c
   lib/compress/hist.c
   lib/compress/huf_compress.c
-  lib/compress/zstd_compress_literals.c
   lib/compress/zstd_compress.c
+  lib/compress/zstd_compress_literals.c
   lib/compress/zstd_compress_sequences.c
   lib/compress/zstd_compress_superblock.c
   lib/compress/zstd_double_fast.c
@@ -31,6 +31,7 @@ add_library(cmzstd STATIC
   lib/compress/zstd_ldm.c
   lib/compress/zstdmt_compress.c
   lib/compress/zstd_opt.c
+  lib/compress/zstd_preSplit.c
   lib/decompress/huf_decompress.c
   lib/decompress/zstd_ddict.c
   lib/decompress/zstd_decompress_block.c