get_fixup_target_flags

get fixup target flags
     ea - address to get information about
returns: 0 - no fixup at the specified address
         otherwise returns fixup flags:

long get_fixup_target_flags(long ea);

#define FIXUPF_REL      0x1  // fixup is relative to the linear address
#define FIXUPF_EXTDEF   0x2  // target is a location (otherwise - segment)
#define FIXUPF_UNUSED   0x4  // fixup is ignored by IDA
#define FIXUPF_CREATED  0x8  // fixup was not present in the input file