Merge pull request #6999 from Icinga/bugfix/compiler-warnings

Suppress or fix compiler warnings

diff --cc icinga-app/icinga.cpp
Simple merge

diff --cc lib/base/application.cpp
Simple merge

diff --cc lib/base/netstring.cpp
Simple merge

diff --cc lib/base/process.cpp
Simple merge

diff --cc lib/base/scriptframe.cpp
Simple merge

diff --cc lib/cli/consolecommand.cpp
Simple merge

diff --cc lib/cli/nodesetupcommand.cpp
Simple merge

diff --cc lib/icinga/legacytimeperiod.cpp
Simple merge

diff --cc lib/icinga/scheduleddowntime.cpp
Simple merge

diff --cc lib/remote/apilistener.cpp
Simple merge

diff --cc lib/remote/eventqueue.cpp
Simple merge