graphics/gimp/stable: prevent from using linux/input.h if present

Without --without-linux-input gimp will detect linux/input.h and tries
to build controller-linux-input.c.

ok?

Index: Makefile
===================================================================
RCS file: /cvs/ports/graphics/gimp/stable/Makefile,v
diff -u -p -r1.165 Makefile
--- Makefile 26 Sep 2023 11:39:04 -0000 1.165
+++ Makefile 1 Nov 2023 21:06:46 -0000
@@ -2,7 +2,7 @@ COMMENT= GNU Image Manipulation Program

DISTNAME = gimp-2.10.34
PKGSPEC = gimp->=2,<2.99
-REVISION = 4
+REVISION = 5

.for i in gimp gimpbase gimpcolor gimpconfig gimpmath gimpmodule \
gimpthumb gimpui gimpwidgets
@@ -101,6 +101,7 @@ CONFIGURE_ARGS+= \
--disable-check-update \
--enable-gimp-console \
--with-pdbgen \
+ --without-linux-input \
--without-alsa \
--without-webkit