(xalloc): xalloc(0) should work also on

systems where malloc(0) returns NULL.

Rev: src/nettle/testsuite/testutils.c:1.25

testsuite/testutils.c

@@ -38,7 +38,7 @@ void *
 xalloc(size_t size)
 {
   void *p = malloc(size);
-  if (!p)
+  if (size && !p)
     {
       fprintf(stderr, "Virtual memory exhausted.\n");
       abort();