Fix Common Typo's.

Fix instances of:
* Retreive
* Recieve
* other then
* different then
* Repeated words ("the the", "an an", "and and", etc).
* othterwise, teh

ASTERISK-24198 #close

Change-Id: I3809a9c113b92fd9d0d9f9bac98e9c66dc8b2d31

main/astmm.c

@@ -1455,7 +1455,7 @@ static void mm_atexit_dump(void)
 	/*
 	 * Put the alloced list back into regions[].
 	 *
-	 * We have do do this because we can get called before all other
+	 * We have do this because we can get called before all other
 	 * threads have terminated.
 	 */
 	mm_atexit_hash_restore(&alloced_atexit);