change zstd_opt.c into zstd_opt.h, since it's included

diff --git a/lib/zstd_compress.c b/lib/zstd_compress.c
index 6ca31895e4b3e53871758642848a26c1a611bc65..db774ccd87736ac158ac65d52e2135aaeb9f08ce 100644 (file)
--- a/lib/zstd_compress.c
+++ b/lib/zstd_compress.c
@@ -1697,7 +1697,7 @@ _storeSequence:
     }
 }
 
-#include "zstd_opt.c"
+#include "zstd_opt.h"
 
 static void ZSTD_compressBlock_opt_bt(ZSTD_CCtx* ctx, const void* src, size_t srcSize)
 {

diff --git a/lib/zstd_opt.c b/lib/zstd_opt.h
similarity index 100%
rename from lib/zstd_opt.c
rename to lib/zstd_opt.h