Fixed some typos, courtesy of codespell

src/libstrongswan/threading/thread.c

@@ -308,7 +308,7 @@ static void thread_cleanup(private_thread_t *this)
  * Main function wrapper for threads.
  *
  * Excluded from AddressSanitizer because some newer versions have an issue that
- * causes an "AddressSanitizer CHECK failed" error for cancelled threads.
+ * causes an "AddressSanitizer CHECK failed" error for canceled threads.
  */
 ADDRESS_SANITIZER_EXCLUDE
 static void *thread_main(private_thread_t *this)

src/swanctl/swanctl.conf.5.head.in

@@ -6,7 +6,7 @@ swanctl.conf is the configuration file used by the
 .BR swanctl (8)
 tool to load configurations and credentials into the strongSwan IKE daemon.
 
-For a description of the basic file syntax, including numer/time formats, or how
+For a description of the basic file syntax, including number/time formats, or how
 to reference sections or split the configuration in multiple files by including
 other files, refer to
 .BR strongswan.conf (5).

src/swanctl/swanctl.opt

@@ -302,7 +302,7 @@ connections.<conn>.if_id_in = 0
 	config, see there for details.
 
 	The special value _%unique_ allocates a unique interface ID per IKE_SA,
-	which is inherited by all its CHILD_SAs (unless overriden there), beyond
+	which is inherited by all its CHILD_SAs (unless overridden there), beyond
 	that the value _%unique-dir_ assigns a different unique interface ID for
 	each direction (in/out).
 
@@ -313,7 +313,7 @@ connections.<conn>.if_id_out = 0
 	config, see there for details.
 
 	The special value _%unique_ allocates a unique interface ID per IKE_SA,
-	which is inherited by all its CHILD_SAs (unless overriden there), beyond
+	which is inherited by all its CHILD_SAs (unless overridden there), beyond
 	that the value _%unique-dir_ assigns a different unique interface ID for
 	each direction (in/out).