Fix the build break introduced by r195799 by restoring two close
curlies.

llvm-svn: 195802
diff --git a/clang/lib/Lex/PPCaching.cpp b/clang/lib/Lex/PPCaching.cpp
index e8d95ba..bd48ae6 100644
--- a/clang/lib/Lex/PPCaching.cpp
+++ b/clang/lib/Lex/PPCaching.cpp
@@ -114,4 +114,5 @@
       CachedLexPos = i;
       return;
     }
-  
+  }
+}