Add @since marker

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/fileupload/trunk@1565188 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/commons/fileupload/FileUploadBase.java b/src/main/java/org/apache/commons/fileupload/FileUploadBase.java
index 9e684e5..8feaa3d 100644
--- a/src/main/java/org/apache/commons/fileupload/FileUploadBase.java
+++ b/src/main/java/org/apache/commons/fileupload/FileUploadBase.java
@@ -1201,6 +1201,15 @@
             super(message);
         }
 
+        /**
+         * Constructs an <code>InvalidContentTypeException</code> with
+         * the specified detail message and cause.
+         * 
+         * @param msg The detail message.
+         * @param cause the original cause
+         *
+         * @since 1.3.1
+         */
         public InvalidContentTypeException(String msg, Throwable cause) {
             super(msg, cause);
         }