char: Fix typo in viotape.c

Correct spelling "allocat" to "allocate" in
drivers/char/viotape.c

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/char/viotape.c

diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index ad6e64a..8b34c65 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -976,7 +976,7 @@
 
 	tape_class = class_create(THIS_MODULE, "tape");
 	if (IS_ERR(tape_class)) {
-		printk(VIOTAPE_KERN_WARN "Unable to allocat class\n");
+		printk(VIOTAPE_KERN_WARN "Unable to allocate class\n");
 		ret = PTR_ERR(tape_class);
 		goto unreg_chrdev;
 	}