message: removed useless cast
diff: @@ -456,7 +456,7 @@ ucptrie_toBinary(const UCPTrie *trie, void *data, int32_t capacity, UErrorCode *
  __lead < 0xf0 ? /* U+0800..U+FFFF except surrogates */ \
  U8_LEAD3_T1_BITS[__lead &= 0xf] & (1 << ((__t1 = *(src)) >> 5)) && \
  ++(src) != (limit) && (__t2 = *(src) - 0x80) <= 0x3f && \
  - (__lead = ((int32_t)(trie)->index[(__lead << 6) + ((int64_t)__t1 & 0x3f)]) + __t2, 1) \
  + (__lead = ((int32_t)(trie)->index[(__lead << 6) + (__t1 & 0x3f)]) + __t2, 1) \
  : /* U+10000..U+10FFFF */ \
  (__lead -= 0xf0) <= 4 && \
  U8_LEAD4_T1_BITS[(__t1 = *(src)) >> 4] & ((int64_t)1 << __lead) && \
  