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Fix warnings in idna.c

I just saw these warnings:

idna.c:445: warning: passing arg 1 of `strlen' from incompatible pointer type
idna.c:445: warning: passing arg 1 of `__strdup' from incompatible pointer type

Ok to commit the appended patch?

Andreas

2004-03-13  Andreas Jaeger  <aj@suse.de>

	* idna.c (idna_to_ascii_4z): Fix warnings.

============================================================
Index: libidn/idna.c
--- libidn/idna.c	13 Mar 2004 06:49:25 -0000	1.2
+++ libidn/idna.c	13 Mar 2004 09:58:24 -0000
@@ -442,7 +442,7 @@ idna_to_ascii_4z (const uint32_t * input
       || (DOTP (input[0]) && input[1] == 0))
     {
 #if defined HAVE_STRDUP || defined _LIBC
-      *output = strdup (input);
+      *output = strdup ((const char *)input);
       return *output == NULL ? IDNA_MALLOC_ERROR : IDNA_SUCCESS;
 #else
       /* Handle implicit zero-length root label. */

-- 
 Andreas Jaeger, aj@suse.de, http://www.suse.de/~aj
  SuSE Linux AG, Maxfeldstr. 5, 90409 Nürnberg, Germany
   GPG fingerprint = 93A3 365E CE47 B889 DF7F  FED1 389A 563C C272 A126

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