fix windows compile documentation

- add copy of openssl libs to appvoyer CI tests
- update windows compile documentation

.appveyor.yml

@@ -28,4 +28,5 @@ build_script:
 test_script:
   - cd c:\xmr-stak\build\bin\Release
   - dir
+  - copy C:\xmr-stak-dep\openssl\bin\* .
   - xmr-stak.exe --help

doc/compile_Linux.md

@@ -73,5 +73,7 @@ If you want to compile the binary without installing libraries / compiler or jus
 ```
     cmake -DCMAKE_LINK_STATIC=ON -DXMR-STAK_COMPILE=generic .
     make install
+    cd bin\Release
+    copy C:\xmr-stak-dep\openssl\bin\* .
 ```
 Note - cmake caches variables, so if you want to do a dynamic build later you need to specify '-DCMAKE_LINK_STATIC=OFF'