[gtk-doc] tests: fix bad deprecation guards

[Stefan Kost <stefkost src gnome org>]

commit 7a457bb8697161937c4f4c31929055ad334a2d05
Author: Stefan Sauer <ensonic users sf net>
Date:   Wed Feb 10 22:31:48 2016 +0100

    tests: fix bad deprecation guards

 tests/bugs/src/tester.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/bugs/src/tester.h b/tests/bugs/src/tester.h
index bd4e60b..00e5826 100644
--- a/tests/bugs/src/tester.h
+++ b/tests/bugs/src/tester.h
@@ -494,7 +494,7 @@ void bug_624001e (void);
 BUG_711598_DEPRECATED_FOR(bug_711598b)
 void bug_711598(void);
 
-#ifdef GTKDOC_DISABLE_DEPRECATED
+#ifdef GTKDOC_TESTER_DISABLE_DEPRECATED
 void deprecation_notice(void);
 #endif