[PATCH] lib: zstd: Fix comment typo

[Xin Gao]

The double `when' is duplicated in line 999, remove one.

Signed-off-by: Xin Gao <gaoxin@xxxxxxxxxx>
---
 lib/zstd/decompress/zstd_decompress.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/zstd/decompress/zstd_decompress.c b/lib/zstd/decompress/zstd_decompress.c
index b4d81d84479a..6928e85f9d19 100644
--- a/lib/zstd/decompress/zstd_decompress.c
+++ b/lib/zstd/decompress/zstd_decompress.c
@@ -996,7 +996,7 @@ size_t ZSTD_decompress(void* dst, size_t dstCapacity, const void* src, size_t sr
 size_t ZSTD_nextSrcSizeToDecompress(ZSTD_DCtx* dctx) { return dctx->expected; }
 
 /*
- * Similar to ZSTD_nextSrcSizeToDecompress(), but when when a block input can be streamed,
+ * Similar to ZSTD_nextSrcSizeToDecompress(), but when a block input can be streamed,
  * we allow taking a partial block as the input. Currently only raw uncompressed blocks can
  * be streamed.
  *
-- 
2.30.2