corr powershell test for equality

.gitlab-ci.yml

@@ -48,7 +48,7 @@ windows:
     - 'dir Env:'
     # make the CMake build directory
     - echo "----------------------------------------"
-    - if($CI_PIPELINE_SOURCE == "schedule") { mkdir -Force $BUILD_DIR }
+    - if($CI_PIPELINE_SOURCE -eq "schedule") { mkdir -Force $BUILD_DIR }
     - if(!(Test-Path -path $BUILD_DIR)) { mkdir -Force $BUILD_DIR }
     - cd "$BUILD_DIR"
     - pwd