That file does exist
$ ls -al /Users/klippo/zimbra/zdesktop/lib/libzimbra-native.jnilib
-rw-r--r-- 1 klippo staff 173200 Oct 16 14:38 /Users/klippo/zimbra/zdesktop/lib/libzimbra-native.jnilib
enzymac:~ klippo$ md5 /Users/klippo/zimbra/zdesktop/lib/libzimbra-native.jnilib
MD5 (/Users/klippo/zimbra/zdesktop/lib/libzimbra-native.jnilib) = 82cf3e3fc55881347ac24e604dae68da |