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

1990/baruch/README.md

@@ -33,6 +33,7 @@ echo 3 | ./baruch
 
 Why is there no output?
 
+
 ## Alternate code:
 
 This alternate code is for the [very few](https://en.wikipedia.org/wiki/0)
@@ -43,6 +44,7 @@ Turbo-C or MSC, the code is based on the authors' remarks except that the `"
 improved output though admittedly we have no way to test the compilers in
 question. YMMV.
 
+
 ### Alternate build:
 
 ```sh