MdeModulePkg: Fix clang build regressions. #13347

Job	Run time
Analyze (CryptoPkg, IA32)	14m 18s
Analyze (FmpDevicePkg, IA32,X64)	5m 58s
Analyze (DynamicTablesPkg, IA32,X64)	6m 9s
Analyze (CryptoPkg, X64)	15m 35s
Analyze (IntelFsp2WrapperPkg, IA32,X64)	6m 31s
Analyze (MdePkg, IA32,X64)	7m 28s
Analyze (FatPkg, IA32,X64)	6m 3s
Analyze (IntelFsp2Pkg, IA32,X64)	6m 4s
Analyze (MdeModulePkg, IA32)	11m 28s
Analyze (ShellPkg, IA32,X64)	9m 0s
Analyze (SecurityPkg, IA32,X64)	8m 41s
Analyze (MdeModulePkg, X64)	12m 8s
Analyze (PcAtChipsetPkg, IA32,X64)	6m 24s
Analyze (PrmPkg, IA32,X64)	5m 58s
Analyze (SourceLevelDebugPkg, IA32,X64)	6m 0s
Analyze (UnitTestFrameworkPkg, IA32,X64)	6m 18s
Analyze (UefiCpuPkg, IA32,X64)	8m 23s
Analyze (StandaloneMmPkg, IA32,X64)	6m 0s
	2h 28m 26s

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