Correct spelling in cron.daily

debian/apt.cron.daily

@@ -38,7 +38,7 @@ update_stamp()
 
 
 # we check here if autoclean was enough sizewise
-check_size_constrains()
+check_size_constraints()
 {
     # min-age in days
     MaxAge=0
@@ -78,7 +78,7 @@ check_size_constrains()
     fi
 }
 
-check_size_constrains
+check_size_constraints
 
 UpdateInterval=0
 DownloadUpgradeableInterval=0