[rust-lldb] FindTypes no longer takes a SymbolContext

Reference: https://reviews.llvm.org/rLLDB351133

Author: cuviper

lldb/source/Plugins/ExpressionParser/Rust/RustParse.cpp

@@ -141,10 +141,9 @@ GetTypeByName(ExecutionContext &exe_ctx, const char *name, Status &error) {
     return CompilerType();
   }
 
-  SymbolContext sc;
   TypeList type_list;
   llvm::DenseSet<SymbolFile *> searched_symbol_files;
-  uint32_t num_matches = target->GetImages().FindTypes(sc, ConstString(name), true,
+  uint32_t num_matches = target->GetImages().FindTypes(nullptr, ConstString(name), true,
                                                        2, searched_symbol_files, type_list);
   if (num_matches > 0) {
     return type_list.GetTypeAtIndex(0)->GetFullCompilerType();