examples/xed.c: removed unused var warning for encoder-only bld
examples/xed.c: removed unused var warning for encoder-only bld

Change-Id: Ieb2cc54b90150dc97bb09ed7bde091ce03f75de4
(cherry picked from commit 2f924eaf4c4695192a6cd30a12954c5f3c2d33a6)
(cherry picked from commit e222684fb9e0ea52e38a289f792379e4b793339b)

intelxed/xed,intelxed/xed,intelxed/xed,intelxed/xed