[gn build] Port 0f38c54

Author: llvmgnsyncbot

llvm/utils/gn/secondary/llvm/lib/DebugInfo/LogicalView/BUILD.gn

@@ -22,6 +22,7 @@ static_library("LogicalView") {
     "Core/LVReader.cpp",
     "Core/LVScope.cpp",
     "Core/LVSort.cpp",
+    "Core/LVSourceLanguage.cpp",
     "Core/LVSupport.cpp",
     "Core/LVSymbol.cpp",
     "Core/LVType.cpp",