minor: document version for new entry point

GitOrigin-RevId: 0642ae2f1ed513d0df38a45a77415716c082ed4c
Change-Id: I43d5f4b10f9aa36365cc028a2ae32fb667785842

lib/lz4.h

diff --git a/lib/lz4.h b/lib/lz4.h
index 6202400..80e3e5c 100644
--- a/lib/lz4.h
+++ b/lib/lz4.h
@@ -610,7 +610,7 @@
  */
 LZ4LIB_STATIC_API int LZ4_compress_fast_extState_fastReset (void* state, const char* src, char* dst, int srcSize, int dstCapacity, int acceleration);
 
-/*! LZ4_compress_destSize_extState() :
+/*! LZ4_compress_destSize_extState() : introduced in v1.10.0
  *  Same as LZ4_compress_destSize(), but using an externally allocated state.
  *  Also: exposes @acceleration
  */