Log Message:
emulators/hercules4sdl: update to version 4.5.

Summary of Changes:
-------------------

  . Significant performance improvements to CLCLE, CUSE, TRE, TRTE, TRTR and
TRTRE instructions (#498, #500, #510, #513, #519, #520) (Thank you James Wekel!)
  . Fix minor bug in STSTU (Search String Unicode) instruction
  . Fix minor bug in CMPSC (Compression Call) instruction
  . Fix minor bug in PFPO (Perform Floating-Point Operation) instruction (#407)
  . PER 1 GRA (General Register Alteration) support (#87)
  . z/VM TXF PER support (i.e. TXSUSPEND = Event Suppression)
  . PER SKEY support
  . PER Zero-Address Detection support
  . BEAR-Enhancement Facility support
  . Decimal Floating-Point Packed Conversion Facility support (#496)
  . Report and ignore oversized LCS outbound SNA messages
  . Ensure same serial number on all multi-file images (#276)
  . Fix minor dasdinit negative size parameter bug (#472)
  . Fix minor dasd CCW data-chaining bug
  . Improve CCKD handling of unusual/unexpected errors
  . Minor corrections to CTCE documentation
  . dasdls: sort display by by dataset name
  . Various minor cckdmap enhancements
  . Fix rare bug in .HET locate block logic (#518)
  . Disable CCKD automatic garbage collection (#504)
  . Fix hang at exit when MLVL DEBUG is active
  . Fix bug causing DASD corruption with s+ tracing
  . Fix 'numcpu' handling bug causing crash (#481)
  . Ensure error message when no config file provided (#483)
  . Fix another possible Windows suspend/resume crash (#489)
  . Customized Offerings Driver (COD) support
  . New SYSGPORT config file statement (#505)
  . Various improvements to Linux build scripts (#454, #461)
  . Many other various minor miscellaneous fixes and improvements to both
documentation and code