Bug#525025: Optional parameters cause Perl warnings

[Alistair Cunningham]

Package: libasterisk-agi-perl
Version: 0.10-2

Several functions have parameters which are marked as optional in the 
POD documentation but which cause Perl warnings if not set. For example:

Use of uninitialized value $offset in concatenation (.) or string at 
/usr/share/perl5/Asterisk/AGI.pm line 1049

Ones I'm aware of are:

say_number() $gender at line 818
stream_file() $offset at line 1049

There are probably others I'm not aware of.

-- 
Alistair Cunningham
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