Use Correct Variable Name

Author: McNeight

appveyor.yml

@@ -163,7 +163,7 @@ before_test:
 after_test:
   - cmd: Build\run-opencover.cmd
   - cmd: packages\coveralls.io.1.3.4\tools\coveralls.net.exe --opencover Documentation\opencover-results-release.xml
-  - cmd: nuget pack Build\ICSharpCode.SharpZipLib.nuspec -BasePath bin\Release\ -OutputDirectory bin\Release\ -Version $(appveyor_build_version)
+  - cmd: nuget pack Build\ICSharpCode.SharpZipLib.nuspec -BasePath bin\Release\ -OutputDirectory bin\Release\ -Version {version}
 
 # to run your custom scripts instead of automatic tests
 test_script:
@@ -196,7 +196,7 @@ artifacts:
 # provider names are case-sensitive!
 deploy:
 - provider: GitHub
-  release: sharpziplib-dogfood-$(appveyor_build_version)
+  release: sharpziplib-dogfood-{version}
   description: 'Something To Eat'
   auth_token:
     secure: pZ5zHJ/2mZsmqQH0gPke0LMqSgUhz79wbcCjdDTCEIl6hRJYlYhkaPianw2hz26k # your encrypted token from GitHub