fix a few more standard header lines in winner README.md files

1987/hines/README.md

@@ -24,6 +24,7 @@ make all
 ./hines hines.c
 ```
 
+
 ## Alternate code:
 
 An alternate version of this entry is in [hines.alt.c](hines.alt.c). With older

1987/lievaart/README.md

@@ -31,6 +31,7 @@ To see what it would have looked like without the size restrictions:
 # enter a level and start playing as described below
 ```
 
+
 ## Alternate code:
 
 If you have an old enough compiler you might wish to try using it. To use:

1987/westley/README.md

@@ -18,6 +18,7 @@ make all
 ./westley
 ```
 
+
 ## Alternate code:
 
 If you have an older compiler you can try compiling the original source code