Include --with-guile in 'show configuration's output.

	* top.c (print_gdb_configuration) [HAVE_GUILE]: Print --with-guile
	or --without-guile, according to how GDB was built.

(cherry picked from commit 97d66cc602ec5abfcb6fc6baaf3d6edbde4fcbfb)
Automatic date update in version.in