[bug-gettext] [Patch] - Configure ignores --without-emacs setting if EMACS set

[DJ Lucas]

The configure script ignores the "--without-emacs" switch if the EMACS 
variable is set in the calling environment. If the user overrides this, 
then the variable is set to no, however, the LISPDIR is checked before 
evaluating withval (causing errors). The correct fix is to not check the 
LISPDIR if EMACS is set to no. See trivial diff attached.

TIA

-- DJ Lucas


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