Make malloc_write() non-inline.

Make malloc_write() non-inline, in order to resolve its dependency on
je_malloc_write().

src/util.c

@@ -59,6 +59,17 @@ wrtmessage(void *cbopaque, const char *s)
 JEMALLOC_EXPORT void	(*je_malloc_message)(void *, const char *s) =
     wrtmessage;
 
+/*
+ * Wrapper around malloc_message() that avoids the need for
+ * je_malloc_message(...) throughout the code.
+ */
+void
+malloc_write(const char *s)
+{
+
+	je_malloc_message(NULL, s);
+}
+
 /*
  * glibc provides a non-standard strerror_r() when _GNU_SOURCE is defined, so
  * provide a wrapper.