Add default value of "mysql" for mysql-bin argument

Author: joegreen88

src/Smrtr/MysqlVersionControl/Command/Parameters/CommonParametersTrait.php

@@ -48,7 +48,8 @@ protected function addMysqlBinArgument()
         return $this->addArgument(
             'mysql-bin',
             InputArgument::OPTIONAL,
-            'Where is the MySQL binary located?'
+            'Where is the MySQL binary located?',
+            'mysql'
         );
     }
 
@@ -105,4 +106,4 @@ protected function addProvisionalVersionOption()
             'The name of the provisional version'
         );
     }
-}
+}