VfrCompile: fix invalid comparison between pointer and integer

This would be valid C but is not valid C++, so change the comparison to do what it has always been doing.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>
1 file changed