--- contrib/libs/libidn/lib/punycode.c	(index)
+++ contrib/libs/libidn/lib/punycode.c	(working tree)
@@ -88,11 +88,11 @@ enum
 /* point (for use in representing integers) in the range 0 to */
 /* base-1, or base if cp does not represent a value.          */
 
-static unsigned
-decode_digit (int cp)
+static punycode_uint
+decode_digit (punycode_uint cp)
 {
-  return (unsigned) (cp - 48 < 10 ? cp - 22 : cp - 65 < 26 ? cp - 65 :
-		     cp - 97 < 26 ? cp - 97 : base);
+  return cp - 48 < 10 ? cp - 22 : cp - 65 < 26 ? cp - 65 :
+    cp - 97 < 26 ? cp - 97 : base;
 }
 
 /* encode_digit(d,flag) returns the basic code point whose value      */
--- contrib/libs/libidn/lib/punycode.h	(index)
+++ contrib/libs/libidn/lib/punycode.h	(working tree)
@@ -75,15 +75,7 @@
  */
 
 # ifndef IDNAPI
-#  if defined LIBIDN_BUILDING && defined HAVE_VISIBILITY && HAVE_VISIBILITY
-#   define IDNAPI __attribute__((__visibility__("default")))
-#  elif defined LIBIDN_BUILDING && defined _MSC_VER && ! defined LIBIDN_STATIC
-#   define IDNAPI __declspec(dllexport)
-#  elif defined _MSC_VER && ! defined LIBIDN_STATIC
-#   define IDNAPI __declspec(dllimport)
-#  else
 #   define IDNAPI
-#  endif
 # endif
 
 # ifdef __cplusplus
@@ -182,11 +174,11 @@ extern "C"
         and output might contain garbage.
 */
 
-  extern IDNAPI int punycode_decode (size_t input_length,
-				     const char input[],
-				     size_t *output_length,
-				     punycode_uint output[],
-				     unsigned char case_flags[]);
+  extern int punycode_decode (size_t input_length,
+			     const char input[],
+			     size_t *output_length,
+			     punycode_uint output[],
+			     unsigned char case_flags[]);
 
 /*
     punycode_decode() converts Punycode to a sequence of code points