mdns: fix a compilation warning / copy-paste error
mdns: fix a compilation warning / copy-paste error

src/RouterElection.c: In function ‘electTimer’:
src/RouterElection.c:177:17: warning: ‘tmp’ may be used uninitialized in this function [-Wuninitialized]

Signed-off-by: Ferry Huberts <66e11f9f5d965b69497c7e73d5e808f8b13c1218@pelagic.nl>

sebkur/olsrd,diogomg/olsrd-binary-heap,acinonyx/olsrd,tdz/olsrd,zioproto/olsrd,cholin/olsrd,diogomg/olsrd,nolith/olsrd,sebkur/olsrd,zioproto/olsrd,diogomg/olsrd-binary-heap,sebkur/olsrd,ninuxorg/olsrd,ninuxorg/olsrd,tdz/olsrd,tdz/olsrd,diogomg/olsrd-binary-heap,diogomg/olsrd,acinonyx/olsrd,ninuxorg/olsrd,zioproto/olsrd,diogomg/olsrd,diogomg/olsrd-binary-heap,sebkur/olsrd,tdz/olsrd,nolith/olsrd,diogomg/olsrd,zioproto/olsrd,cholin/olsrd,diogomg/olsrd-binary-heap,cholin/olsrd,tdz/olsrd,sebkur/olsrd,nolith/olsrd,diogomg/olsrd,cholin/olsrd,ninuxorg/olsrd,nolith/olsrd,diogomg/olsrd-binary-heap,acinonyx/olsrd,diogomg/olsrd,sebkur/olsrd,nolith/olsrd,cholin/olsrd,zioproto/olsrd,acinonyx/olsrd,diogomg/olsrd-binary-heap,diogomg/olsrd,acinonyx/olsrd,ninuxorg/olsrd