MdeModulePkg: Fix clang build regressions. #13345

Job	Run time
Analyze (MdeModulePkg, IA32)	11m 23s
Analyze (IntelFsp2Pkg, IA32,X64)	5m 48s
Analyze (CryptoPkg, X64)	16m 9s
Analyze (IntelFsp2WrapperPkg, IA32,X64)	6m 46s
Analyze (UnitTestFrameworkPkg, IA32,X64)	6m 33s
Analyze (ShellPkg, IA32,X64)	9m 9s
Analyze (FatPkg, IA32,X64)	6m 20s
Analyze (MdePkg, IA32,X64)	7m 44s
Analyze (FmpDevicePkg, IA32,X64)	6m 30s
Analyze (PcAtChipsetPkg, IA32,X64)	7m 55s
Analyze (DynamicTablesPkg, IA32,X64)	5m 51s
Analyze (PrmPkg, IA32,X64)	5m 57s
Analyze (SecurityPkg, IA32,X64)	8m 9s
Analyze (CryptoPkg, IA32)	14m 58s
Analyze (SourceLevelDebugPkg, IA32,X64)	6m 11s
Analyze (MdeModulePkg, X64)	11m 52s
Analyze (StandaloneMmPkg, IA32,X64)	5m 51s
Analyze (UefiCpuPkg, IA32,X64)	10m 13s
	2h 33m 19s

Provide feedback