Micro-change: moved a brace for better readability

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174075 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PPExpressions.cpp b/lib/Lex/PPExpressions.cpp
index c564653..7ebf3e0 100644
--- a/lib/Lex/PPExpressions.cpp
+++ b/lib/Lex/PPExpressions.cpp
@@ -264,9 +264,9 @@
     return false;
   }
   case tok::char_constant:          // 'x'
-  case tok::wide_char_constant: {   // L'x'
+  case tok::wide_char_constant:     // L'x'
   case tok::utf16_char_constant:    // u'x'
-  case tok::utf32_char_constant:    // U'x'
+  case tok::utf32_char_constant: {  // U'x'
     // Complain about, and drop, any ud-suffix.
     if (PeekTok.hasUDSuffix())
       PP.Diag(PeekTok, diag::err_pp_invalid_udl) << /*character*/0;