[vala/0.50] testrunner: Add "-Werror=return-local-addr" flag

[Rico Tzschichholz <ricotz src gnome org>]

commit d1cd319ffe6ad01cc07a1cdd4ba31950da31403d
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Oct 15 09:14:03 2020 +0200

    testrunner: Add "-Werror=return-local-addr" flag

 configure.ac | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/configure.ac b/configure.ac
index eee338c55..04f39797a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -121,6 +121,7 @@ TEST_EXTRA_CFLAGS="-Werror=init-self \
 -Werror=implicit-fallthrough \
 -Werror=pointer-arith \
 -Werror=redundant-decls \
+-Werror=return-local-addr \
 -Werror=return-type \
 -Werror=sequence-point \
 -Werror=uninitialized \