ossie/utils/bluefile/bluefile_helpers.py: hdr_to_sri does not handle other 1000 -type files

[btgoodwin]

REDHAWK 2.2.6

The code checks specifically for 1000 type files when 1001 and 1004 are valid for one-dimensional formats. Alternatively, the header field class can be used to generalize this to a fix:

if hdr['class'] == 1:
    subsize = 0
    ystart = 0
    ydelta = 0
    yunits = BULKIO.UNITS_NONE
else:
    subsize = hdr['subsize']
    ystart = hdr['ystart']  
    ydelta = hdr['ydelta']  
    yunits = hdr['yunits']

Edit: formatting