shortened 'for' statement in autoconf.m4f

[Mikus Grinbergs]

In autoconf version 2.61 there is a shortened 'for' statement that 
causes my compile of certain applications to fail with a "cannot 
find input file" error when executing the config.status file. 
(Config.status is attempting to recognize the content in variable 
$ac_f.)

As far as I can determine the error is caused by a line 'for ac_f' 
in autoconf.m4f [one can search on 'build tree', which is four lines 
down].  I believe that statement should instead be something similar 
to 'for ac_f in $ac_file_in'.  The shortened statement is line#4976 
in the 2.61 autoconf.m4f (404132 bytes), or line#7075 in the 2.61-3 
autoconf.mf4 (404216 bytes).

mikus