configure: Fix syntax error, light-e -> light_e.
configure: Fix syntax error, light-e -> light_e.

using dash, autoconf said 'command not found'

Change-Id: I84c56bb3c6d19176a49ad46f231fade046aae9fd

tizenorg/platform.upstream.enlightenment,tizenorg/platform.upstream.enlightenment,tizenorg/platform.upstream.enlightenment