8220495: Update GIFlib library to the 5.1.8
Reviewed-by: prr
diff --git a/THIRD_PARTY_README b/THIRD_PARTY_README
index 628a95e..d6e3313 100644
--- a/THIRD_PARTY_README
+++ b/THIRD_PARTY_README
@@ -1612,7 +1612,7 @@
-------------------------------------------------------------------------------
-%% This notice is provided with respect to GIFLIB 5.1.1 & libungif 4.1.3,
+%% This notice is provided with respect to GIFLIB 5.1.8 & libungif 4.1.3,
which may be included with JRE 8, JDK 8, and OpenJDK 8.
--- begin of LICENSE ---
