Add proper cast.

78c9c71b · Yukihiro "Matz" Matsumoto · aa30b13b · 78c9c71b
Unverified Commit 78c9c71b authored Jun 05, 2020 by Yukihiro "Matz" Matsumoto
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src/fmt_fp.c src/fmt_fp.c +1 -1

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--- a/src/fmt_fp.c
+++ b/src/fmt_fp.c
@@ -440,7 +440,7 @@ mrb_float_to_cstr(mrb_state *mrb, char *buf, size_t len, const char *fmt, mrb_fl
    mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid format string");
  }
  *cstr.buf = '\0';
-  return (int)cstr.buf - buf;
+  return (int)(cstr.buf - buf);
 }
 #else   /* MRB_DISABLE_STDIO || _WIN32 || _WIN64 */
 #include <mruby.h>