Core/Utils: Fix a crash in vutf8printf. Author: Vladimir

--HG--
branch : trunk

src/server/shared/Utilities/Util.cpp

@@ -475,7 +475,7 @@ void vutf8printf(FILE *out, const char *str, va_list* ap)
     Utf8toWStr(temp_buf, temp_len, wtemp_buf, wtemp_len);
 
     CharToOemBuffW(&wtemp_buf[0], &temp_buf[0], wtemp_len+1);
-    fprintf(out, temp_buf);
+    fprintf(out, "%s", temp_buf);
 #else
     vfprintf(out, str, *ap);
 #endif