stop lokinet before uninstalling service (#1469)

* stop lokinet before uninstalling service

* kill gui in uninstaller

* add helper script for building windows installers because i forgot how to most of the time.

cmake/win32_installer_deps.cmake

@@ -29,7 +29,7 @@ set(CPACK_PACKAGE_INSTALL_DIRECTORY "Lokinet")
 set(CPACK_NSIS_MUI_ICON "${CMAKE_SOURCE_DIR}/win32-setup/lokinet.ico")
 set(CPACK_NSIS_DEFINES "RequestExecutionLevel admin")
 set(CPACK_NSIS_EXTRA_INSTALL_COMMANDS "ExecWait '$INSTDIR\\\\bin\\\\tuntap-install.exe /S'\\nExecWait '$INSTDIR\\\\bin\\\\lokinet.exe --install'\\nExecWait '$INSTDIR\\\\bin\\\\lokinet.exe -g C:\\\\ProgramData\\\\lokinet\\\\lokinet.ini'\\nCopyFiles '$INSTDIR\\\\share\\\\bootstrap.signed' C:\\\\ProgramData\\\\lokinet\\\\bootstrap.signed")
-set(CPACK_NSIS_EXTRA_UNINSTALL_COMMANDS "ExecWait '$INSTDIR\\\\bin\\\\lokinet.exe --remove'\\nRMDir /r /REBOOTOK C:\\\\ProgramData\\\\lokinet")
+set(CPACK_NSIS_EXTRA_UNINSTALL_COMMANDS "ExecWait 'net stop lokinet'\\nExecWait 'taskkill /f /t /im lokinet-gui.exe'\\nExecWait '$INSTDIR\\\\bin\\\\lokinet.exe --remove'\\nRMDir /r /REBOOTOK C:\\\\ProgramData\\\\lokinet")
 set(CPACK_NSIS_CREATE_ICONS_EXTRA
     "CreateShortCut '$SMPROGRAMS\\\\$STARTMENU_FOLDER\\\\Lokinet.lnk' '$INSTDIR\\\\share\\\\gui\\\\lokinet-gui.exe'"
 )

contrib/windows.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+mkdir -p build-windows
+cd build-windows
+cmake -G Ninja -DCMAKE_CROSSCOMPILE=ON -DCMAKE_EXE_LINKER_FLAGS=-fstack-protector -DLIBUV_ROOT=$PWD/../external/libuv -DCMAKE_CXX_FLAGS=-fdiagnostics-color=always -DCMAKE_TOOLCHAIN_FILE=../contrib/cross/mingw64.cmake -DBUILD_STATIC_DEPS=ON -DBUILD_PACKAGE=ON -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTING=OFF -DWITH_TESTS=OFF -DNATIVE_BUILD=OFF -DSTATIC_LINK=ON -DWITH_SYSTEMD=OFF -DFORCE_LOKIMQ_SUBMODULE=ON -DSUBMODULE_CHECK=OFF -DWITH_LTO=OFF ..
+ninja package