Better fix for bug 419

--HG--
branch : SDL-1.2
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/branches/SDL-1.2%402385

include/SDL_stdinc.h

@@ -574,13 +574,12 @@ extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, const char
 #define SDL_iconv_t     iconv_t
 #define SDL_iconv_open  iconv_open
 #define SDL_iconv_close iconv_close
-extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
 #else
 typedef struct _SDL_iconv_t *SDL_iconv_t;
 extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, const char *fromcode);
 extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
-extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
 #endif
+extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
 /* This function converts a string between encodings in one pass, returning a
    string that must be freed with SDL_free() or NULL on error.
 */

src/stdlib/SDL_iconv.c

@@ -31,7 +31,7 @@
 #include <errno.h>
 
 size_t SDL_iconv(SDL_iconv_t cd,
-                 char **inbuf, size_t *inbytesleft,
+                 const char **inbuf, size_t *inbytesleft,
                  char **outbuf, size_t *outbytesleft)
 {
 	size_t retCode = iconv(cd, inbuf, inbytesleft, outbuf, outbytesleft);