Fixed trailing spaces on empty line

Author: trueqbit

NOTES-WINDOWS.md

@@ -86,7 +86,7 @@ Quick start
     - `perl Configure VC-WIN64A-HYBRIDCRT` if you want 64-bit OpenSSL dependent
        on the Universal CRT or
     - `perl Configure`              to let Configure figure out the platform
- 
+
     a. If you don't plan to develop OpenSSL yourself and don't need to rebuild,
        in other words, if you always do a new build, turning off the build
        dependency feature can speed up build times by up to 50%: