hg: jdk/client: 8200052: libjavajpeg: Fix compile warning in jchuff.c

[philip.race at oracle.com]

Changeset: 071f1fe0df5f
Author:    prr
Date:      2018-06-01 09:16 -0700
URL:       http://hg.openjdk.java.net/jdk/client/rev/071f1fe0df5f

8200052: libjavajpeg: Fix compile warning in jchuff.c
Reviewed-by: prr
Contributed-by: adam.farley at uk.ibm.com, thomas.stuefe at sap.com

! src/java.desktop/share/native/libjavajpeg/jchuff.c