bFLT 64-bit host fix.

struct flat_hdr {

	char magic[4];

	unsigned long rev;          /* version (as above) */

	unsigned long entry;        /* Offset of first executable instruction

	target_ulong rev;          /* version (as above) */

	target_ulong entry;        /* Offset of first executable instruction

	                               with text segment from beginning of file */

	unsigned long data_start;   /* Offset of data segment from beginning of

	target_ulong data_start;   /* Offset of data segment from beginning of

	                               file */

	unsigned long data_end;     /* Offset of end of data segment

	target_ulong data_end;     /* Offset of end of data segment

	                               from beginning of file */

	unsigned long bss_end;      /* Offset of end of bss segment from beginning

	target_ulong bss_end;      /* Offset of end of bss segment from beginning

	                               of file */

	/* (It is assumed that data_end through bss_end forms the bss segment.) */

	unsigned long stack_size;   /* Size of stack, in bytes */

	unsigned long reloc_start;  /* Offset of relocation records from

	target_ulong stack_size;   /* Size of stack, in bytes */

	target_ulong reloc_start;  /* Offset of relocation records from

	                               beginning of file */

	unsigned long reloc_count;  /* Number of relocation records */

	unsigned long flags;       

	unsigned long build_date;   /* When the program/library was built */

	unsigned long filler[5];    /* Reservered, set to zero */

	target_ulong reloc_count;  /* Number of relocation records */

	target_ulong flags;       

	target_ulong build_date;   /* When the program/library was built */

	target_ulong filler[5];    /* Reservered, set to zero */

};

#define FLAT_FLAG_RAM    0x0001 /* load program entirely into RAM */