Update tesstrain_utils.sh

Author: Shreeshrii

src/training/tesstrain_utils.sh

@@ -214,7 +214,7 @@ generate_font_image() {
 
     local common_args="--fontconfig_tmpdir=${FONT_CONFIG_CACHE}"
     common_args+=" --fonts_dir=${FONTS_DIR} --strip_unrenderable_words"
-    common_args+=" --leading=${LEADING} --xsize 2550"
+    common_args+=" --leading=${LEADING} --xsize 2560"
     common_args+=" --char_spacing=${CHAR_SPACING} --exposure=${EXPOSURE}"
     common_args+=" --outputbase=${outbase} --max_pages=0"