fixed appveyor.yml

appveyor.yml

@@ -4,7 +4,7 @@ install:
   - cinst cmake
 
 build_script:
-  - set PATH=C:\ProgramData\chocolatey\bin;%PATH%
+  - set PATH=C:\Program Files\CMake\bin;C:\ProgramData\chocolatey\bin;%PATH%
   - mkdir cmake-build
   - cd cmake-build
   - cmake ..