Merge pull request #118 from maxmind/greg/no-master

Replace master references

Author: rafl

README.md

@@ -112,7 +112,7 @@ you are using an autoloader, no changes to your code should be necessary.
 
 First install [libmaxminddb](https://github.com/maxmind/libmaxminddb) as
 described in its [README.md
-file](https://github.com/maxmind/libmaxminddb/blob/master/README.md#installing-from-a-tarball).
+file](https://github.com/maxmind/libmaxminddb/blob/main/README.md#installing-from-a-tarball).
 After successfully installing libmaxmindb, run the following commands from the
 top-level directory of this distribution:
 

package.xml

@@ -23,7 +23,7 @@
         <release>stable</release>
         <api>stable</api>
     </stability>
-    <license uri="https://github.com/maxmind/MaxMind-DB-Reader-php/blob/master/LICENSE">Apache License 2.0</license>
+    <license uri="https://github.com/maxmind/MaxMind-DB-Reader-php/blob/main/LICENSE">Apache License 2.0</license>
     <notes>* The `maxminddb` extension is now buildable on Windows. Pull request
   by Jan Ehrhardt. GitHub #115.</notes>
     <contents>