replace trailing whitespace with blackslash in README.md

As an alternative to the markdown trailing whitespace as a line
break, we use a trailing blackslash as a markdown line break.

1995/schnitzi/README.md

@@ -1,10 +1,10 @@
 # Best One Liner
 
-Mark Schnitzius  
-ISX Corporation  
-3215-C Post Woods Dr.  
-Atlanta, GA 30339   
-US  
+Mark Schnitzius\
+ISX Corporation\
+3215-C Post Woods Dr.\
+Atlanta, GA 30339\
+US\
 <http://computronium.org/ioccc.html>