Add an extra newline to separate PP directives from the contents

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98820 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/ClangDiagnosticsEmitter.cpp b/utils/TableGen/ClangDiagnosticsEmitter.cpp
index 6f1080e..27b1654 100644
--- a/utils/TableGen/ClangDiagnosticsEmitter.cpp
+++ b/utils/TableGen/ClangDiagnosticsEmitter.cpp
@@ -34,7 +34,7 @@
     OS << "__" << ComponentName << "START = DIAG_START_" << ComponentName
        << ",\n";
     OS << "#undef " << ComponentName << "START\n";
-    OS << "#endif\n";
+    OS << "#endif\n\n";
   }
 
   const std::vector<Record*> &Diags =