Merge pull request #149 from amousset/master

feat(all): Fix AppVeyor tests

.appveyor.yml

@@ -1,10 +1,16 @@
 environment:
   matrix:
-  - TARGET: x86_64-pc-windows-msvc
-  - TARGET: i686-pc-windows-msvc
-  - TARGET: x86_64-pc-windows-gnu
-  - TARGET: i686-pc-windows-gnu
+    - TARGET: x86_64-pc-windows-msvc
+      BITS: 64
+      OPENSSL_VERSION: 1_1_0f
+      OPENSSL_DIR: C:\OpenSSL
+    - TARGET: x86_64-pc-windows-gnu
+      BITS: 64
+      MSYS2: 1
+      OPENSSL_VERSION: 1_0_2L
 install:
+  - ps: Start-FileDownload "http://slproweb.com/download/Win${env:BITS}OpenSSL-${env:OPENSSL_VERSION}.exe"
+  - Win%BITS%OpenSSL-%OPENSSL_VERSION%.exe /SILENT /VERYSILENT /SP- /DIR="C:\OpenSSL"
   - curl -sSf -o rustup-init.exe https://win.rustup.rs/
   - rustup-init.exe -y --default-host %TARGET%
   - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
@@ -14,4 +20,4 @@ build: false
 test_script:
   - cargo test --verbose --manifest-path lettre/Cargo.toml
   - cargo test --verbose --manifest-path lettre_email/Cargo.toml
-  
+