- Introduced a SYST-based test to properly set-up name format when dealing with the OS/400 FTP server.

- Fixed an ftp_readresp() bug preventing detection of failing control socket  and causing FTP client to loop forever.

tests/data/test1103

@@ -0,0 +1,48 @@
+<testcase>
+<info>
+<keywords>
+FTP
+SYST
+SITE
+OS400
+</keywords>
+</info>
+# Server-side
+<reply>
+<data nocheck="yes">
+blabla
+</data>
+<servercmd>
+REPLY PWD 257 "C:/somedir" is the current directory
+REPLY SYST 215  unknown-OS runs this server
+</servercmd>
+</reply>
+
+# Client-side
+<client>
+<server>
+ftp
+</server>
+ <name>
+FTP non-OS/400 server
+ </name>
+ <command>
+ftp://%HOSTIP:%FTPPORT/1103
+</command>
+</client>
+
+# Verify data after the test has been "shot"
+<verify>
+<protocol>
+USER anonymous
+PASS ftp@example.com
+PWD
+SYST
+EPSV
+TYPE I
+SIZE 1103
+RETR 1103
+QUIT
+</protocol>
+</verify>
+</testcase>