minor #10178 Resolve T_STRING (vindby23, javiereguiluz)

This PR was merged into the 4.1 branch.

Discussion
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Resolve T_STRING

Error on namespace. “identifier (T_STRING)”' or `“\\ (T_NS_SEPARATOR)”' in

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Commits
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26ccc3b Wrap the entity namespace in single quotes
ed5009d Resolve T_STRING

Author: javiereguiluz

doctrine/reverse_engineering.rst

@@ -56,7 +56,7 @@ table fields.
 
 .. code-block:: terminal
 
-    $ php bin/console doctrine:mapping:import App\\Entity annotation --path=src/Entity
+    $ php bin/console doctrine:mapping:import 'App\Entity' annotation --path=src/Entity
 
 This command line tool asks Doctrine to introspect the database and generate
 new PHP classes with annotation metadata into ``src/Entity``. This generates two
@@ -68,7 +68,7 @@ files: ``BlogPost.php`` and ``BlogComment.php``.
 
     .. code-block:: terminal
 
-        $ php bin/console doctrine:mapping:import App\\Entity xml --path=config/doctrine
+        $ php bin/console doctrine:mapping:import 'App\Entity' xml --path=config/doctrine
 
 Generating the Getters & Setters or PHP Classes
 -----------------------------------------------