[patch, libgfortran] PR45710 Adjust format and padding for WRITE of NAMELIST group to internal file

[Jerry DeLisle]

Hi,

This patch pads the end of records with ' ' for internal character unit arrays. 
The patch is fairly obvious.  Code borrowed from transfer.c.

Regression tested ob x86-64.

OK for trunk.

I will also add a test case.

Regards,

Jerry

2010-09-21  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/45710
	* io/write.c (namelist_write_newline): Pad character array internal
	unit records with spaces.
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