Fix the union build--check that built-in macro function values are nil, not zero. 2008-01-02 Aidan Kehoe <kehoea@parhasard.net> * doc.c (Fbuilt_in_symbol_file): Don't check is fun zero in the condition, check that it's not nil. Fixes the union build; thank you Stephen.

#define bg2_width 16
#define bg2_height 16
static char bg2_bits[] = {
  0x55, 0x55, 0x00, 0x00, 0x55, 0x55, 0x00, 0x00, 0x55, 0x55, 0x00, 0x00,
  0x55, 0x55, 0x00, 0x00, 0x55, 0x55, 0x00, 0x00, 0x55, 0x55, 0x00, 0x00,
  0x55, 0x55, 0x00, 0x00, 0x55, 0x55, 0x00, 0x00};