Clean this up slightly, doesn't really fall through.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162848 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DIE.cpp b/lib/CodeGen/AsmPrinter/DIE.cpp
index c55e5f7..0885285 100644
--- a/lib/CodeGen/AsmPrinter/DIE.cpp
+++ b/lib/CodeGen/AsmPrinter/DIE.cpp
@@ -209,8 +209,7 @@
 ///
 unsigned DIEInteger::SizeOf(AsmPrinter *AP, unsigned Form) const {
   switch (Form) {
-  case dwarf::DW_FORM_flag_present: // Fall thru
-    return 0;
+  case dwarf::DW_FORM_flag_present: return 0;
   case dwarf::DW_FORM_flag:  // Fall thru
   case dwarf::DW_FORM_ref1:  // Fall thru
   case dwarf::DW_FORM_data1: return sizeof(int8_t);