build: disable jimtcl lineedit

This is a recent jimtcl feature but it currently breaks mingw
builds as this system does not have termios.h etc.

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>

configure.in

@@ -765,7 +765,7 @@ fi
 
 if test "$use_internal_jimtcl" = yes; then
   if test -f "$srcdir/jimtcl/configure.ac"; then
-    AX_CONFIG_SUBDIR_OPTION(jimtcl, --with-jim-ext=nvp)
+    AX_CONFIG_SUBDIR_OPTION([jimtcl], [--with-jim-ext=nvp --disable-lineedit])
   else
     AC_MSG_ERROR([jimtcl not found, run git submodule init and git submodule update.])
   fi