Set leptonica-1.73 as a dependency instead of master.

egorpugin · egorpugin · commit b4fcd0d8b865 · 2016-11-24T18:35:33.000+03:00
diff --git a/cppan.yml b/cppan.yml
@@ -134,4 +134,4 @@ dependencies:
   private:
     # tesseract uses leptonica only internally
     # and does not expose its interface to users
-    pvt.cppan.demo.leptonica: master
+    pvt.cppan.demo.leptonica: 1.73
