As of libx11 version 1.6.10, xim may be NULL, which causes a segmentation
fault in the execution of ARRAYELTS. As a cautionary measure, we
short-circuit this logic.
* gnu/packages/patches/emacs-ignore-empty-xim-styles.patch: New file.
* gnu/packages/emacs.scm (emacs emacs-next)[patches]: Use it.
* gnu/local.mk: Register it.
Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>