Fix alloc_size configure test.
diff --git a/configure.ac b/configure.ac
index 1363ee9..c6388f7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -431,9 +431,8 @@
dnl Check for alloc_size attribute support.
SAVED_CFLAGS="${CFLAGS}"
JE_CFLAGS_APPEND([-Werror])
-JE_COMPILABLE([alloc_size attribute], [],
- [#include <stdlib.h>
- static void *foo(size_t size) __attribute__((alloc_size(1)));],
+JE_COMPILABLE([alloc_size attribute], [#include <stdlib.h>],
+ [void *foo(size_t size) __attribute__((alloc_size(1)));],
[je_cv_alloc_size])
CFLAGS="${SAVED_CFLAGS}"
if test "x${je_cv_alloc_size}" = "xyes" ; then