[gn build] Port 7a4013f

Author: llvmgnsyncbot

llvm/utils/gn/secondary/llvm/lib/ExecutionEngine/Orc/BUILD.gn

@@ -39,7 +39,7 @@ static_library("Orc") {
     "LLJIT.cpp",
     "Layer.cpp",
     "LazyReexports.cpp",
-    "LoadRelocatableObject.cpp",
+    "LoadLinkableFile.cpp",
     "LookupAndRecordAddrs.cpp",
     "MachO.cpp",
     "MachOPlatform.cpp",