Fix spelling errors

mysql-test/suite/maria/maria-connect.result

@@ -11,7 +11,7 @@ ERROR 23000: Duplicate entry '2' for key 'PRIMARY'
 show warnings;
 Level	Code	Message
 Error	1062	Duplicate entry '2' for key 'PRIMARY'
-Note	4173	Engine Aria does not support rollback. Changes where commited during rollback call
+Note	4173	Engine Aria does not support rollback. Changes where committed during rollback call
 Warning	1196	Some non-transactional changed tables couldn't be rolled back
 select * from t1;
 a

sql/mdl.cc

@@ -2179,7 +2179,7 @@ MDL_context::clone_ticket(MDL_request *mdl_request)
   to wait for another thread which is not ready to commit.
   This is always an error, as the upper level of parallel replication
   should not allow a scheduling of a conflicting DDL until all earlier
-  transactions has commited.
+  transactions have been committed.
 
   This function is only called for a slave using parallel replication
   and trying to get an exclusive lock for the table.

sql/share/errmsg-utf8.txt

@@ -7964,4 +7964,4 @@ ER_KEY_CANT_HAVE_WITHOUT_OVERLAPS
 ER_NOT_ALLOWED_IN_THIS_CONTEXT
         eng "'%-.128s' is not allowed in this context"
 ER_DATA_WAS_COMMITED_UNDER_ROLLBACK
-        eng "Engine %s does not support rollback. Changes where commited during rollback call"
+        eng "Engine %s does not support rollback. Changes where committed during rollback call"

sql/sql_help.cc

@@ -671,7 +671,7 @@ SQL_SELECT *prepare_select_for_name(THD *thd, const char *mask, size_t mlen,
 
   RETURN VALUES
     FALSE Success
-    TRUE  Error and send_error already commited
+    TRUE  Error and send_error already committed
 */
 
 static bool mysqld_help_internal(THD *thd, const char *mask)