libcamera: thread: Fix typo in comment

s/This method enter/This method enters/

Signed-off-by: Sebastian Fricke <sebastian.fricke@posteo.net>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

src/libcamera/thread.cpp

@@ -296,7 +296,7 @@ void Thread::startThread()
 /**
  * \brief Enter the event loop
  *
- * This method enter an event loop based on the event dispatcher instance for
+ * This method enters an event loop based on the event dispatcher instance for
  * the thread, and blocks until the exit() method is called. It is meant to be
  * called within the thread from the run() method and shall not be called
  * outside of the thread.