Merge pull request #1403 from AtariDreams/one

len should be unsigned

GitOrigin-RevId: 9c038e9f7dfa313610357f60477cc0a0aaf8b2ab
Change-Id: Ib8c2d9669da4411bcda3d05c87c716a308f9a2c5
diff --git a/lib/lz4.c b/lib/lz4.c
index c6584d3..015145e 100644
--- a/lib/lz4.c
+++ b/lib/lz4.c
@@ -1121,7 +1121,7 @@
                 goto _last_literals;
             }
             if (litLength >= RUN_MASK) {
-                int len = (int)(litLength - RUN_MASK);
+                unsigned len = litLength - RUN_MASK;
                 *token = (RUN_MASK<<ML_BITS);
                 for(; len >= 255 ; len-=255) *op++ = 255;
                 *op++ = (BYTE)len;