kobject: two typo fixes

This fixes two typos from commit
34358c26a2c96b2a068dc44e0ac602106a466bce.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/lib/kobject.c b/lib/kobject.c
index a7e3bf4..b52e9f4 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -313,8 +313,8 @@
 		struct kobject *temp_kobj;
 		temp_kobj = kset_find_obj(kobj->kset, new_name);
 		if (temp_kobj) {
-			printk(KERN_WARNING "kobject '%s' can not be renamed "
-			       "to '%s' as '%s' is already in existance.\n",
+			printk(KERN_WARNING "kobject '%s' cannot be renamed "
+			       "to '%s' as '%s' is already in existence.\n",
 			       kobject_name(kobj), new_name, new_name);
 			kobject_put(temp_kobj);
 			return -EINVAL;