Moved CheckStl::iterators to normal checking

lib/checkstl.h

@@ -61,6 +61,7 @@ public:
 
         CheckStl checkStl(tokenizer, settings, errorLogger);
         checkStl.if_find();
+        checkStl.iterators();
         checkStl.missingComparison();
         checkStl.outOfBounds();
         checkStl.outOfBoundsIndexExpression();
@@ -76,7 +77,6 @@ public:
 
         checkStl.stlOutOfBounds();
         checkStl.negativeIndex();
-        checkStl.iterators();
         checkStl.mismatchingContainers();
         checkStl.erase();
         checkStl.pushback();