tree-wide: fix assorted typos all over the place

That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index ff17820..5914eeb 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -741,7 +741,7 @@
 		goto out;
 	}
 
-	/* type/domain unchaned */
+	/* type/domain unchanged */
 	if (old_context->type == new_context->type) {
 		rc = 0;
 		goto out;