gprofng: Fix -Wformat= warnings

gprofng: Fix -Wformat= warnings

Added format attribute to several gprofng functions.
Fixed -Wformat= warnings.

gprofng/ChangeLog
2023-10-23  Vladimir Mezentsev  <vladimir.mezentsev@oracle.com>

	* libcollector/heaptrace.c: Fixed -Wformat= warnings.
	* libcollector/hwprofile.c: Likewise.
	* libcollector/iolib.c: Likewise.
	* libcollector/iotrace.c: Likewise.
	* libcollector/jprofile.c: Likewise.
	* libcollector/profile.c: Likewise.
	* libcollector/synctrace.c: Likewise.
	* src/ClassFile.cc: Likewise.
	* src/SourceFile.cc: Likewise.
	* libcollector/libcol_util.h: Added format attribute.
	* src/Emsg.h: Likewise.
	* src/collector_module.h: Likewise.
	* src/data_pckts.h: Define fld_sizeof.