Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/fs/dlm/recover.c b/fs/dlm/recover.c
index eda43f3..1463823 100644
--- a/fs/dlm/recover.c
+++ b/fs/dlm/recover.c
@@ -304,7 +304,7 @@
 }
 
 /*
- * Propogate the new master nodeid to locks
+ * Propagate the new master nodeid to locks
  * The NEW_MASTER flag tells dlm_recover_locks() which rsb's to consider.
  * The NEW_MASTER2 flag tells recover_lvb() and set_locks_purged() which
  * rsb's to consider.