(idna_to_unicode_4z4z): Fix test for failed memory allocation.

diff --git a/libidn/idna.c b/libidn/idna.c
index 81e92f7..cf95291 100644 (file)
--- a/libidn/idna.c
+++ b/libidn/idna.c
@@ -115,9 +115,11 @@ idna_to_ascii_4i (const uint32_t * in, size_t inlen, char *out, int flags)
     len = strlen (p);
     do
       {
+       char *newp;
+
        len = 2 * len + 10;     /* XXX better guess? */
-       char *newp = realloc (p, len);
-       if (p == NULL)
+       newp = realloc (p, len);
+       if (newp == NULL)
          {
            free (p);
            return IDNA_MALLOC_ERROR;