update appvoyer

Author: smasherprog

.appveyor.yml

@@ -12,9 +12,11 @@ environment:
   matrix:
   - SHARED: OFF
     POSTFIXNAME: MT
+    POSTVCPKGNAME: -static
   - SHARED: ON
     POSTFIXNAME: MD
-    
+    POSTVCPKGNAME:
+        
 matrix:
   fast_finish: true
 
@@ -37,7 +39,7 @@ install:
   - cd vcpkg
   - powershell -exec bypass scripts\bootstrap.ps1
   - .\vcpkg integrate install
-  - .\vcpkg install zlib:x86-windows-static openssl:x86-windows-static zlib openssl
+  - .\vcpkg install zlib:%PLATFORM%-windows%POSTVCPKGNAME% openssl:%PLATFORM%-windows%POSTVCPKGNAME%
   - cd ..
 
 build_script: