Use openssl 1.0.2n on Appveyor

Author: messense

appveyor.yml

@@ -8,7 +8,7 @@ environment:
 #  - TARGET: x86_64-pc-windows-msvc
 #    BITS: 64
 install:
-  - ps: Start-FileDownload "http://slproweb.com/download/Win${env:BITS}OpenSSL-1_0_2m.exe"
+  - ps: Start-FileDownload "http://slproweb.com/download/Win${env:BITS}OpenSSL-1_0_2n.exe"
   - Win%BITS%OpenSSL-1_0_2m.exe /SILENT /VERYSILENT /SP- /DIR="C:\OpenSSL"
   - ps: Start-FileDownload "https://static.rust-lang.org/dist/rust-nightly-${env:TARGET}.exe"
   - rust-nightly-%TARGET%.exe /VERYSILENT /NORESTART /DIR="C:\Program Files (x86)\Rust"