Fix VfrCompile bugs #136

Job	Run time
Analyze (Ext4Pkg, IA32,X64)	7m 32s
Analyze (UefiCpuPkg, IA32,X64)	8m 43s
Analyze (FatPkg, IA32,X64)	6m 19s
Analyze (MdeModulePkg, IA32,X64)	19m 21s
Analyze (IntelFsp2Pkg, IA32,X64)	6m 5s
Analyze (MdePkg, IA32,X64)	8m 0s
Analyze (IntelFsp2WrapperPkg, IA32,X64)	7m 9s
Analyze (NetworkPkg, IA32,X64)	9m 11s
Analyze (UnitTestFrameworkPkg, IA32,X64)	6m 25s
Analyze (OvmfPkg, IA32,X64)	3m 20s
Analyze (UefiPayloadPkg, IA32,X64)	11m 31s
	1h 33m 36s

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