Restore original entry of 1986/stein

The entry won best one liner but (in 1986 they could be longer) but to
make mail and news happy it was split to three lines. As it's not
distributed in news or mail now it can be one line. This was only
updated in stein.orig.c (for now?).

1986/stein/stein.orig.c

@@ -1,3 +1 @@
-typedef char*z;O;o;_=33303285;main(b,Z)z Z;{b=(b>=0||(main(b+1,Z+1),*Z=O%(o=(_%
-25))+'0',O/=o,_/=25))&&(b<1||(O=time(&b)%0250600,main(~5,*(z*)Z),write(1,*(z*)Z
-,9)));}
+typedef char*z;O;o;_=33303285;main(b,Z)z Z;{b=(b>=0||(main(b+1,Z+1),*Z=O%(o=(_%25))+'0',O/=o,_/=25))&&(b<1||(O=time(&b)%0250600,main(~5,*(z*)Z),write(1,*(z*)Z,9)));}