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-rw-r--r--mrbgems/mruby-print/src/print.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mrbgems/mruby-print/src/print.c b/mrbgems/mruby-print/src/print.c
index d0c522d24..e181b06e0 100644
--- a/mrbgems/mruby-print/src/print.c
+++ b/mrbgems/mruby-print/src/print.c
@@ -19,7 +19,7 @@ printstr(mrb_state *mrb, mrb_value obj)
#if defined(_WIN32)
if (isatty(fileno(stdout))) {
DWORD written;
- int mlen = RSTRING_LEN(obj);
+ int mlen = (int)RSTRING_LEN(obj);
char* utf8 = RSTRING_PTR(obj);
int wlen = MultiByteToWideChar(CP_UTF8, 0, utf8, mlen, NULL, 0);
wchar_t* utf16 = (wchar_t*)mrb_malloc(mrb, (wlen+1) * sizeof(wchar_t));