(FindBugs) cheaper to scan for chars than Strings of length 1

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/net/trunk@1788524 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/commons/net/ftp/parser/VMSFTPEntryParser.java b/src/main/java/org/apache/commons/net/ftp/parser/VMSFTPEntryParser.java
index d414307..3229439 100644
--- a/src/main/java/org/apache/commons/net/ftp/parser/VMSFTPEntryParser.java
+++ b/src/main/java/org/apache/commons/net/ftp/parser/VMSFTPEntryParser.java
@@ -164,7 +164,7 @@
             }
             else
             {
-                name = name.substring(0, name.lastIndexOf(";"));
+                name = name.substring(0, name.lastIndexOf(';'));
                 f.setName(name);
             }
             //size is retreived in blocks and needs to be put in bytes