added getColumnNumber as all other fields that are set can also be get, apart from the column.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@277772 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/Location.java

@@ -110,6 +110,14 @@ public class Location implements Serializable {
         return lineNumber;
     }
 
+    /**
+     * @return the column number
+     * @since Ant 1.7
+     */
+    public int getColumnNumber() {
+        return columnNumber;
+    }
+    
     /**
      * Returns the file name, line number, a colon and a trailing space.
      * An error message can be appended easily. For unknown locations, an