OS fix to allow the growing number of PAL display programs to be run on
NTSC machines.  Will patch the Intuition OpenScreen() function to assure
screens with PAL height to be opened in interlace mode.  

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  294     974  30.2% -lh5- 19f9 Apr 15  1990 PatchNTSC.info
[generic]                   40      40 100.0% -lh0- 4f69 Apr 15  1990 PatchNTSC/.info
[generic]                  405     488  83.0% -lh5- 1884 Apr 15  1990 PatchNTSC/PatchNTSC
[generic]                 1083    2250  48.1% -lh5- ca48 Apr 15  1990 PatchNTSC/PatchNTSC.asm
[generic]                  915    2099  43.6% -lh5- 478f Apr 15  1990 PatchNTSC/PatchNTSC.doc
[generic]                  280     454  61.7% -lh5- 6c47 Apr 15  1990 PatchNTSC/PatchNTSC.doc.info
[generic]                  156     230  67.8% -lh5- 748d Apr 15  1990 PatchNTSC/PatchNTSC.info
[generic]                 2817    2817 100.0% -lh0- 8013 Apr 15  1990 PatchNTSC/PatchNTSC.LZH
[generic]                  124     150  82.7% -lh5- 27f9 Apr 15  1990 PatchNTSC/ReadMe.fnf
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         9 files    6114    9502  64.3%            Apr 15  1990