Merge pull request #2140 from signalwire/fix_vars_not_used

[core,miniupnpc,modules] Fix not used variables

diff --cc src/mod/endpoints/mod_sofia/mod_sofia.c
Simple merge

diff --cc src/mod/xml_int/mod_xml_cdr/mod_xml_cdr.c
Simple merge

diff --cc src/switch_rtp.c
Simple merge