[mach-o] add representation for LC_ID_DYLIB to MachONormalizedFile

It still needs to be tied into BinaryReader, but this allows reasonably
sensible creation of SharedLibrary atoms on MachO.

llvm-svn: 212093
diff --git a/lld/lib/ReaderWriter/MachO/MachONormalizedFileFromAtoms.cpp b/lld/lib/ReaderWriter/MachO/MachONormalizedFileFromAtoms.cpp
index 67ed62c..9f348a3 100644
--- a/lld/lib/ReaderWriter/MachO/MachONormalizedFileFromAtoms.cpp
+++ b/lld/lib/ReaderWriter/MachO/MachONormalizedFileFromAtoms.cpp
@@ -934,6 +934,7 @@
   f->arch = context.arch();
   f->fileType = context.outputMachOType();
   f->flags = util.fileFlags();
+  f->installName = context.installName();
   util.copySegmentInfo(normFile);
   util.copySections(normFile);
   util.addDependentDylibs(atomFile, normFile);