PostScript name on Mac and Windows should be "3270-Regular"

[rbanffy]

• FAIL: Entry [POSTSCRIPT_NAME(6):MACINTOSH(1)] on the "name" table: Expected "3270-Regular" but got "3270". [code: bad-entry]
• FAIL: Entry [POSTSCRIPT_NAME(6):WINDOWS(3)] on the "name" table: Expected "3270-Regular" but got "3270". [code: bad-entry]

[rbanffy]

com.google.fonts/check/name/familyname
Check name table: FONT_FAMILY_NAME entries.
with gfonts_files/3270/3270-Regular.ttf

  Rationale:                                                                
  Checks that the family name infered from the font filename matches the    
  string at nameID 1 (NAMEID_FONT_FAMILY_NAME) if it conforms to RIBBI and  
  otherwise checks that nameID 1 is the family name + the style name.       

* FAIL: Entry [FONT_FAMILY_NAME(1):MACINTOSH(1)] on the "name" table: Expected "3270" but got "IBM 3270". [code: mismatch]
* FAIL: Entry [FONT_FAMILY_NAME(1):WINDOWS(3)] on the "name" table: Expected "3270" but got "IBM 3270". [code: mismatch]

Result: FAIL

com.google.fonts/check/name/fullfontname
Check name table: FULL_FONT_NAME entries.
with gfonts_files/3270/3270-Regular.ttf

* FAIL: Entry [FULL_FONT_NAME(4):MACINTOSH(1)] on the "name" table: Expected "3270 Regular"  but got "IBM 3270 Regular". [code: bad-entry]
* FAIL: Entry [FULL_FONT_NAME(4):WINDOWS(3)] on the "name" table: Expected "3270 Regular"  but got "IBM 3270 Regular". [code: bad-entry]

Result: FAIL