Zstd fixes for v6.7

Only a single line change to fix a benign UBSAN warning that has been
 baking in linux-next for a month. I just missed the merge window, but I
 think it is worthwhile to include this fix in the v6.7 kernel. If you
 would like me to wait for v6.8 please let me know.
 
 Signed-off-by: Nick Terrell <terrelln@fb.com>
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Merge tag 'zstd-linus-v6.7-rc2' of https://github.com/terrelln/linux

Pull Zstd fix from Nick Terrell:
 "Only a single line change to fix a benign UBSAN warning"

* tag 'zstd-linus-v6.7-rc2' of https://github.com/terrelln/linux:
  zstd: Fix array-index-out-of-bounds UBSAN warning

lib/zstd/common/fse_decompress.c

@@ -312,7 +312,7 @@ size_t FSE_decompress_wksp(void* dst, size_t dstCapacity, const void* cSrc, size
 
 typedef struct {
     short ncount[FSE_MAX_SYMBOL_VALUE + 1];
-    FSE_DTable dtable[1]; /* Dynamically sized */
+    FSE_DTable dtable[]; /* Dynamically sized */
 } FSE_DecompressWksp;