Add a case in SymbolFile{Native,}PDB::TranslateLanguage for Swift

Summary: see above

Reviewers: compnerd

Differential Revision: https://reviews.llvm.org/D59230

llvm-svn: 355883
diff --git a/lldb/source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp b/lldb/source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
index ff6fffb..f47272c 100644
--- a/lldb/source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
+++ b/lldb/source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
@@ -73,6 +73,8 @@
     return lldb::LanguageType::eLanguageTypeC_plus_plus;
   case PDB_Lang::C:
     return lldb::LanguageType::eLanguageTypeC;
+  case PDB_Lang::Swift:
+    return lldb::LanguageType::eLanguageTypeSwift;
   default:
     return lldb::LanguageType::eLanguageTypeUnknown;
   }