Fix miniglog on win

src/public/miniglog.cc

@@ -1,6 +1,6 @@
 // Ceres Solver - A fast non-linear least squares minimizer
-// Copyright 2015 Google Inc. All rights reserved.
-// http://ceres-solver.org/
+// Copyright 2012 Google Inc. All rights reserved.
+// http://code.google.com/p/ceres-solver/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
@@ -36,4 +36,6 @@ namespace google {
 // that there is only one instance of this across the entire program.
 std::set<google::LogSink *> log_sinks_global;
 
+int log_severity_global(INFO);
+
 }  // namespace google

src/public/miniglog.readme

@@ -1 +1,3 @@
-miniglog: https://github.com/tzutalin/miniglog
+miniglog:
+  * https://github.com/arpg/miniglog
+  * https://github.com/tzutalin/miniglog