Correct bug that prevents replacing an element while using an iterator

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@738370 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/commons/math/util/OpenIntToDoubleHashMap.java

@@ -340,6 +340,7 @@ public class OpenIntToDoubleHashMap implements Serializable {
         return size;
     }
 
+    
     /**
      * Remove the value associated with a key.
      * @param key key to which the value is associated
@@ -418,9 +419,8 @@ public class OpenIntToDoubleHashMap implements Serializable {
             if (shouldGrowTable()) {
                 growTable();
             }
-        }
-
             ++count;
+        }
         return previous;
 
     }