gprofng: PR29646 Various warnings

gprofng: PR29646 Various warnings

gprofng/ChangeLog
2022-12-19  Vladimir Mezentsev  <vladimir.mezentsev@oracle.com>

	PR gprofng/29646
	* common/core_pcbe.c: Fix missingReturn warning.
	* libcollector/iolib.c: Fix -Waddress warnings.
	* src/Settings.cc: Likewise.
	* src/checks.cc: Likewise.
	* libcollector/linetrace.c: Likewise.
	* libcollector/iotrace.c: Fix va_end_missing error.
	* libcollector/libcol_util.c: Fix uninitvar warning.
	* src/Command.cc: Fix arrayIndexOutOfBounds error.
	* src/Function.cc: Fix uninitStructMember warning.
	* src/ipc.cc: Fix -Wwrite-strings warnings.