What steps will reproduce the problem?
1. Freebsd 9.x or 10.x install
2. Install openvpn-auth-ldap package (version 2.0.3)
3. configure to use it in ldap.conf:
plugin /usr/local/lib/openvpn-auth-ldap.so "/usr/local/etc/openvpn/ldap.conf"

What is the expected output? What do you see instead?
Not staring openvpn, because in log (with verb 11):
Sun Jun 22 11:52:07 2014 us=259528 Current Parameter Settings:
Sun Jun 22 11:52:07 2014 us=260003   config = 
'/usr/local/etc/openvpn/openvpn.conf'
Sun Jun 22 11:52:07 2014 us=260023   mode = 1
Sun Jun 22 11:52:07 2014 us=260041   show_ciphers = DISABLED
Sun Jun 22 11:52:07 2014 us=260063   show_digests = DISABLED
Sun Jun 22 11:52:07 2014 us=260080   show_engines = DISABLED
Sun Jun 22 11:52:07 2014 us=260097   genkey = DISABLED
Sun Jun 22 11:52:07 2014 us=260114   key_pass_file = '[UNDEF]'
Sun Jun 22 11:52:07 2014 us=260130   show_tls_ciphers = DISABLED
Sun Jun 22 11:52:07 2014 us=260147 Connection profiles [default]:
Sun Jun 22 11:52:07 2014 us=260165   proto = udp
Sun Jun 22 11:52:07 2014 us=260182   local = '****hostnam***'
Sun Jun 22 11:52:07 2014 us=260198   local_port = 1194
Sun Jun 22 11:52:07 2014 us=260215   remote = '[UNDEF]'
Sun Jun 22 11:52:07 2014 us=260233   remote_port = 1194
Sun Jun 22 11:52:07 2014 us=260250   remote_float = DISABLED
Sun Jun 22 11:52:07 2014 us=260267   bind_defined = DISABLED
Sun Jun 22 11:52:07 2014 us=260284   bind_local = ENABLED
Sun Jun 22 11:52:07 2014 us=260300   connect_retry_seconds = 5
Sun Jun 22 11:52:07 2014 us=260317   connect_timeout = 10
Sun Jun 22 11:52:07 2014 us=260334 NOTE: --mute triggered...
Sun Jun 22 11:52:07 2014 us=260367 213 variation(s) on previous 20 message(s) 
suppressed by --mute
Sun Jun 22 11:52:07 2014 us=260385 OpenVPN 2.3.4 amd64-portbld-freebsd10.0 [SSL 
(OpenSSL)] [LZO] [MH] [IPv6] built on May 31 2014
Sun Jun 22 11:52:07 2014 us=260409 library versions: OpenSSL 1.0.1e-freebsd 11 
Feb 2013, LZO 2.06
Sun Jun 22 11:52:07 2014 us=260745 PLUGIN_INIT: POST 
/usr/local/lib/openvpn-auth-ldap.so '[/usr/local/lib/openvpn-auth-ldap.so] 
[/usr/local/etc/openvpn/ldap.conf]' 
intercepted=PLUGIN_UP|PLUGIN_DOWN|PLUGIN_ROUTE_UP|PLUGIN_IPCHANGE|PLUGIN_TLS_VER
IFY|PLUGIN_AUTH_USER_PASS_VERIFY|PLUGIN_CLIENT_CONNECT|PLUGIN_CLIENT_DISCONNECT|
PLUGIN_LEARN_ADDRESS|PLUGIN_CLIENT_CONNECT|PLUGIN_TLS_FINAL|PLUGIN_ENABLE_PF|PLU
GIN_ROUTE_PREDOWN
Sun Jun 22 11:52:07 2014 us=260766 PLUGIN_INIT: plugin initialization function 
failed: /usr/local/lib/openvpn-auth-ldap.so
Sun Jun 22 11:52:07 2014 us=260799 Exiting due to fatal error


What version of the product are you using? On what operating system?
Freebsd 9 or 10, openvpn-auth-ldap version 

Please provide any additional information below.
Earlier the same config on Freebsd 8 it worked, others see the same, like:
https://forums.freebsd.org/viewtopic.php?f=43&t=46922
http://lists.freebsd.org/pipermail/freebsd-bugs/2014-June/056360.html

Tried to create from source with gcc47 but that was worst:
Sun Jun 22 19:16:10 2014 us=463109 PLUGIN_INIT: could not load plugin shared 
object /usr/local/lib/openvpn-auth-ldap.so: 
/usr/local/lib/openvpn-auth-ldap.so: Undefined symbol "objc_msgSendSuper"
Sun Jun 22 19:16:10 2014 us=463596 Exiting due to fatal error