PR libgfortran/25039
	* io/io.h: Create a new flag sf_read_comma to control comma
	separators in numeric reads.
	* io/transfer.c (formatted_transfer_scalar): Initialize the flag.
	(read_sf): Check for commas coming in and if the flag is set,
	shortcut the read.
	* io/read.c (read_a) (read_x): Clear the flag for character reads and
	reset it after the reads.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@108271 138bc75d-0d04-0410-961f-82ee72b054a4