### Description
i wants load this 
[config](https://github.com/nemergent/NG112LIS/blob/master/kamailio.cfg) on 
docker image `kamailio/kamailio-ci:5.1-alpine.debug`

During config parsing i got error
 0(10) ERROR: <core> [core/sr_module.c:636]: load_module(): Symbol not found: 
exports
 0(10) CRITICAL: <core> [core/cfg.y:3446]: yyerror_at(): parse error in config 
file /etc/kamailio/kamailio.cfg, line 300, column 12-24: failed to load module

### Troubleshooting
I checked symbol inside `app_perl.so` and cannot find `exports`
```
@a7c6ee5895f8:/usr/lib/kamailio/modules$ readelf -all 
/usr/lib/kamailio/modules/app_perl.so  | grep export
000000218d00  000b00000006 R_X86_64_GLOB_DAT 0000000000000000 find_export + 0
000000218db8  002100000006 R_X86_64_GLOB_DAT 0000000000000000 
find_export_record + 0
    11: 0000000000000000     0 NOTYPE  GLOBAL DEFAULT  UND find_export
    33: 0000000000000000     0 NOTYPE  GLOBAL DEFAULT  UND find_export_record
    97: 00000000002190c0    96 OBJECT  GLOBAL DEFAULT   18 _app_perl_exports
```

When make same test for other module then this sympols is exists
```
@a7c6ee5895f8:/usr/lib/kamailio/modules$ readelf -all 
/usr/lib/kamailio/modules/kazoo.so | grep export
0000002586a8  001200000006 R_X86_64_GLOB_DAT 0000000000000000 find_export + 0
    18: 0000000000000000     0 NOTYPE  GLOBAL DEFAULT  UND find_export
   187: 0000000000259260    96 OBJECT  GLOBAL DEFAULT   21 exports
```

#### Reproduction
start docker container
```
docker run --entrypoint=sh  -it kamailio/kamailio-ci:5.1-alpine.debug
```
install tools
```
 apk add wget binutils
```
copy config
```
wget https://raw.githubusercontent.com/nemergent/NG112LIS/master/kamailio.cfg 
-o /etc/kamailio/kamailio.cfg
```
start kamaillio and fix errors
```
kamailio -DD -E
```

#### Debugging Data
none

#### Log Messages


```
0(10) ERROR: <core> [core/sr_module.c:636]: load_module(): Symbol not found: 
exports
 0(10) CRITICAL: <core> [core/cfg.y:3446]: yyerror_at(): parse error in config 
file /etc/kamailio/kamailio.cfg, line 300, column 12-24: failed to load module
 0(10) ERROR: <core> [core/modparam.c:152]: set_mod_param_regex(): No module 
matching <app_perl> found
```

#### SIP Traffic
none

### Possible Solutions
not known

### Additional Information

  * **Kamailio Version** - output of `kamailio -v`

```
@a7c6ee5895f8:/usr/lib/kamailio/modules$ kamailio -v
version: kamailio 5.2.0-dev1 (x86_64/linux) 
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, DISABLE_NAGLE, 
USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, 
TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, 
USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, 
MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: unknown 
compiled on 15:02:10 Mar  1 2018 with gcc 6.4.0
```

* **Operating System**:
Fedora 27 + docker 1.12

```
Linux a7c6ee5895f8 3.10.0-693.5.2.el7.x86_64 #1 SMP Fri Oct 20 20:32:50 UTC 
2017 x86_64 Linux
```


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