V4L/DVB (13616): IR: rename ir_input_free as ir_input_unregister

Now, ir_input_free does more than just freeing the keytab. Better to
rename it as ir_input_unregister.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c
index ddb8a0f..e9c9bd3 100644
--- a/drivers/media/IR/ir-keytable.c
+++ b/drivers/media/IR/ir-keytable.c
@@ -450,7 +450,7 @@
 }
 EXPORT_SYMBOL_GPL(ir_input_register);
 
-void ir_input_free(struct input_dev *dev)
+void ir_input_unregister(struct input_dev *dev)
 {
 	struct ir_input_dev *ir_dev = input_get_drvdata(dev);
 	struct ir_scancode_table *rc_tab = &ir_dev->rc_tab;
@@ -467,7 +467,7 @@
 	kfree(ir_dev);
 	input_set_drvdata(dev, NULL);
 }
-EXPORT_SYMBOL_GPL(ir_input_free);
+EXPORT_SYMBOL_GPL(ir_input_unregister);
 
 int ir_core_debug;    /* ir_debug level (0,1,2) */
 EXPORT_SYMBOL_GPL(ir_core_debug);