Fix some indentation issues, I saw while reading this file.

llvm-svn: 198024
diff --git a/lld/lib/ReaderWriter/MachO/MachONormalizedFileFromAtoms.cpp b/lld/lib/ReaderWriter/MachO/MachONormalizedFileFromAtoms.cpp
index 847018b..0d73ec8 100644
--- a/lld/lib/ReaderWriter/MachO/MachONormalizedFileFromAtoms.cpp
+++ b/lld/lib/ReaderWriter/MachO/MachONormalizedFileFromAtoms.cpp
@@ -133,15 +133,15 @@
   static uint64_t alignTo(uint64_t value, uint8_t align2);
   typedef llvm::DenseMap<const Atom*, uint32_t> AtomToIndex;
   struct AtomAndIndex { const Atom *atom; uint32_t index; };
-	struct AtomSorter {	
-		bool operator()(const AtomAndIndex &left, const AtomAndIndex &right);
+  struct AtomSorter {
+    bool operator()(const AtomAndIndex &left, const AtomAndIndex &right);
   };
-	struct SegmentSorter {	
-		bool operator()(const SegmentInfo *left, const SegmentInfo *right);
+  struct SegmentSorter {
+    bool operator()(const SegmentInfo *left, const SegmentInfo *right);
     static unsigned weight(const SegmentInfo *);
   };
-	struct TextSectionSorter {	
-		bool operator()(const SectionInfo *left, const SectionInfo *right);
+  struct TextSectionSorter {
+    bool operator()(const SectionInfo *left, const SectionInfo *right);
     static unsigned weight(const SectionInfo *);
   };