[patch] Properly quote words in Makefile.in (GTFILES)

[Ralf Wildenhues]

* Ian Lance Taylor wrote on Wed, Aug 06, 2008 at 05:36:50PM CEST:
> Michael Matz <matz@suse.de> writes:
> 
> > 	* Makefile.in (write_entries_to_file): Quote words.
> > 	* gengtype.c: (read_input_line): Skip over leading white-space.

> That bug really puzzled me.

The obscurity here is the reason I added the 'SHELL=/bin/sh -x' hint
in <http://gcc.gnu.org/ml/gcc-patches/2008-07/msg00454.html>.

Do you think this is too obscure?  I don't have a problem with
reverting the original patch if it causes more damage than good;
or add some comments if that helps (but where, and what?).

Thanks,
Ralf