Supply missing break in case statement.

Summary:
All the tests pass without hitting the situation mentioned in the FIXME, so,
per Aaron Smith's suggestion, this case will now return unconditionally.

Subscribers: sanjoy, mgorny, JDevlieghere

Differential Revision: https://reviews.llvm.org/D43215

llvm-svn: 325188

lldb/source/Plugins/SymbolFile/PDB/PDBASTParser.cpp

@@ -107,9 +107,7 @@ CompilerType GetBuiltinTypeForPDBEncodingAndBitSize(
   case PDB_BuiltinType::None:
     return CompilerType();
   case PDB_BuiltinType::Void:
-    // FIXME: where is non-zero size of `void` from?
-    if (width == 0)
-      return clang_ast->GetBasicType(eBasicTypeVoid);
+    return clang_ast->GetBasicType(eBasicTypeVoid);
   case PDB_BuiltinType::Bool:
     return clang_ast->GetBasicType(eBasicTypeBool);
   case PDB_BuiltinType::Long: