Pack InputSectionData from 72 to 64 bytes. NFC.

llvm-svn: 280925
diff --git a/lld/ELF/OutputSections.cpp b/lld/ELF/OutputSections.cpp
index 278e5c5..4eda445 100644
--- a/lld/ELF/OutputSections.cpp
+++ b/lld/ELF/OutputSections.cpp
@@ -1836,7 +1836,7 @@
   if (Sec)
     return {Sec, false};
 
-  switch (C->SectionKind) {
+  switch (C->kind()) {
   case InputSectionBase<ELFT>::Regular:
     Sec = new OutputSection<ELFT>(Key.Name, Key.Type, Key.Flags);
     break;