TimestampBufferSize is correct no -1 required

SNFMulti.cpp

@@ -299,7 +299,7 @@ string FileUTC(string FileName) {
     char TimestampBfr[TimestampBufferSize];                                     // Timestamp buffer.
 
     size_t l = snprintf(                                                        // Format yyyymmddhhmmss
-      TimestampBfr, TimestampBufferSize-1,
+      TimestampBfr, TimestampBufferSize,
       "%04d%02d%02d%02d%02d%02d",
       FileNameTime.tm_year+1900,
       FileNameTime.tm_mon+1,