[NFC] Fix build after llvm commit d0ae2391 (#2219)

d0ae2391 adds RunTimeLang parameter to createEnumerationType function.
Use default value for the new parameter.

Author: wenju-he

lib/SPIRV/SPIRVToLLVMDbgTran.cpp

@@ -802,7 +802,7 @@ DINode *SPIRVToLLVMDbgTran::transTypeEnum(const SPIRVExtInst *DebugInst) {
       UnderlyingType = transDebugInst<DIType>(static_cast<SPIRVExtInst *>(E));
     return getDIBuilder(DebugInst).createEnumerationType(
         Scope, Name, File, LineNo, SizeInBits, AlignInBits, Enumerators,
-        UnderlyingType, "", UnderlyingType);
+        UnderlyingType, 0, "", UnderlyingType);
   }
 }