Bug#445657: ABI changed without a corresponding soname change

[Mikael Magnusson]

Piotr Kaczuba wrote:
> When the "Enable ZRTP/SRTP encryption" option is checked, twinkle
> crashes as soon as one makes or answers a call.
> 
> This is what is printed in a terminal:
> 
> twinkle: symbol lookup error: twinkle: undefined symbol: _ZThn580_N3ost9ZrtpQueue11sendDataRTPEPKhi

The error is caused by API (and ABI) changes in libzrtpcpp version 
0.9.2. The symbol above (sendDataRTP) is removed and seems to be 
replaced with sendDataZRTP, without changing the SONAME.