Add missing #endif in documentation.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147556 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/www/analyzer/annotations.html b/www/analyzer/annotations.html
index b33b4bf..2766577 100644
--- a/www/analyzer/annotations.html
+++ b/www/analyzer/annotations.html
@@ -590,6 +590,7 @@
 #else
 #define CLANG_ANALYZER_NORETURN
 #endif
+#endif
 
 void my_assert_rtn(const char *, const char *, int, const char *) <span class="code_highlight">CLANG_ANALYZER_NORETURN</span>;
 </pre>