Fix check for images which are too small to scale

Images with width == min_width are not too small.

Signed-off-by: Stefan Weil <sw@weilnetz.de>

src/lstm/input.cpp

@@ -2,7 +2,6 @@
 // File:        input.cpp
 // Description: Input layer class for neural network implementations.
 // Author:      Ray Smith
-// Created:     Thu Mar 13 09:10:34 PDT 2014
 //
 // (C) Copyright 2014, Google Inc.
 // Licensed under the Apache License, Version 2.0 (the "License");
@@ -93,7 +92,7 @@ Pix* Input::PrepareLSTMInputs(const ImageData& image_data,
     tprintf("Bad pix from ImageData!\n");
     return nullptr;
   }
-  if (width <= min_width || height < min_width) {
+  if (width < min_width || height < min_width) {
     tprintf("Image too small to scale!! (%dx%d vs min width of %d)\n", width,
             height, min_width);
     pixDestroy(&pix);