[Dovecot] zlib error when running doveadm

[Michael Long]

 > Looks like you have two versions installed and are mixing them up.

I checked and only one binary is on the system. I took a look in the 
directory /usr/local/lib/dovecot/doveadm/ and it appears the upgrade 
rebuilt all libraries EXCEPT zlib. Any ideas?

-rw-r--r-- 1 root root 125910 Jul 22 10:58 lib10_doveadm_acl_plugin.a
-rwxr-xr-x 1 root root   1070 Jul 22 10:58 lib10_doveadm_acl_plugin.la
-rwxr-xr-x 1 root root  88190 Jul 22 10:58 lib10_doveadm_acl_plugin.so
-rw-r--r-- 1 root root  54812 Jul 22 10:58 lib10_doveadm_expire_plugin.a
-rwxr-xr-x 1 root root   1091 Jul 22 10:58 lib10_doveadm_expire_plugin.la
-rwxr-xr-x 1 root root  44763 Jul 22 10:58 lib10_doveadm_expire_plugin.so
-rw-r--r-- 1 root root  89116 Jul 22 10:58 lib10_doveadm_quota_plugin.a
-rwxr-xr-x 1 root root   1084 Jul 22 10:58 lib10_doveadm_quota_plugin.la
-rwxr-xr-x 1 root root  61137 Jul 22 10:58 lib10_doveadm_quota_plugin.so
-rw-r--r-- 1 root root 369576 Jul 22 10:47 lib10_doveadm_sieve_plugin.a
-rwxr-xr-x 1 root root   1248 Jul 22 10:47 lib10_doveadm_sieve_plugin.la
-rwxr-xr-x 1 root root 208863 Jul 22 10:47 lib10_doveadm_sieve_plugin.so
-rw-r--r-- 1 root root  26166 Apr  9 14:30 lib10_doveadm_zlib_plugin.a
-rwxr-xr-x 1 root root   1077 Apr  9 14:30 lib10_doveadm_zlib_plugin.la
-rwxr-xr-x 1 root root  25243 Apr  9 14:30 lib10_doveadm_zlib_plugin.so
-rw-r--r-- 1 root root 100120 Jul 22 10:58 lib20_doveadm_fts_plugin.a
-rwxr-xr-x 1 root root   1070 Jul 22 10:58 lib20_doveadm_fts_plugin.la
-rwxr-xr-x 1 root root  65515 Jul 22 10:58 lib20_doveadm_fts_plugin.so


Configure does seem to see it though:

checking zlib.h usability... yes
checking zlib.h presence... yes
checking for zlib.h... yes
checking bzlib.h usability... yes
checking bzlib.h presence... yes
checking for bzlib.h... yes
checking for BZ2_bzdopen in -lbz2... yes