v4l2allocator: Fix spelling of reenqueueing

To match commit 7d7074cef0272cd5155098bfc2bda6849dd89267. I love the idea
of aiming for the maximum number of consecutive vowels.

sys/v4l2/gstv4l2allocator.c

@@ -1371,7 +1371,7 @@ error:
           " returning an error, or even stop capturing.");
       /* have we de-queued a buffer ? */
       if (!IS_QUEUED (buffer)) {
-        GST_DEBUG_OBJECT (allocator, "reenqueing buffer");
+        GST_DEBUG_OBJECT (allocator, "reenqueueing buffer");
         /* FIXME ... should we do something here? */
       }
       break;