Fixes P/P/R for target 0 (BadBlue 2.72b)

Target 1, which covers 2.72b, uses an invalid P/P/R from some unknown
DLL, and appears to be broken.  Because 2.72b actually uses the same
ext.dll as BadBlue EE 2.7 (and that target 0 actually also works
against 2.72b), we might as well just use the same P/P/R again.

[FixRM #7875]
Land #1771, @wchen-r7's fix for ppr address on badblue_passthru