Update appveyor.yml

Author: Simsys

appveyor.yml

@@ -24,7 +24,7 @@ before_build:
   - copy c:\\Python36-x64\\python36.dll c:\\dev\\lxpapi
 
 build_script:
-  - C:\\Python36-x64\\python -m nuitka --follow-imports --include-plugin-directory C:\\Python36-x64\\lib\\site-packages\\keyring LxpApi\\lxpservice.py
+  - C:\\Python36-x64\\python -m nuitka --follow-imports --include-plugin-directory C:\\Python36-x64\\lib\\site-packages\\keyring --include-plugin-directory C:\\Python36-x64\\lib\\site-packages\\pip LxpApi\\lxpservice.py
 
 artifacts:
   - path: lxpservice.exe