fixing symbol.c test

I believe it would be better to rely on fuzzer tests compiled with dll
diff --git a/tests/symbols.c b/tests/symbols.c
index ade3aa0..5139a65 100644
--- a/tests/symbols.c
+++ b/tests/symbols.c
@@ -95,7 +95,7 @@
   &ZSTD_nextSrcSizeToDecompress,
   &ZSTD_decompressContinue,
   &ZSTD_nextInputType,
-  &ZSTD_getBlockSizeMax,
+  &ZSTD_getBlockSize,
   &ZSTD_compressBlock,
   &ZSTD_decompressBlock,
   &ZSTD_insertBlock,