leptonica 1.71

Closes Homebrew/homebrew#30621.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/leptonica.rb

@@ -2,8 +2,8 @@ require 'formula'
 
 class Leptonica < Formula
   homepage 'http://www.leptonica.org/'
-  url 'http://www.leptonica.org/source/leptonica-1.70.tar.gz'
-  sha1 '476edd5cc3f627f5ad988fcca6b62721188fce13'
+  url 'http://www.leptonica.org/source/leptonica-1.71.tar.gz'
+  sha1 'aedaf94cc352a638595b74e906f61204154d8431'
 
   bottle do
     cellar :any
@@ -48,7 +48,7 @@ class Leptonica < Formula
     }
     EOS
     system ENV.cxx, "test.cpp", `pkg-config --cflags lept`
-    assert_equal "1.70", `./a.out`
+    assert_equal version.to_s, `./a.out`
   end
 end