Fix yaml syntax.

.github/workflows/nuget.yml

@@ -23,7 +23,7 @@ jobs:
         cmake -DCMAKE_BUILD_TYPE=Debug -DBUILD_SHARED_LIBS=ON -A x64 -DCMAKE_CXX_STANDARD=17 ..
 
     - name: Build
-      working-directory: ${{runner.workspace}}/build
+      working-directory: build
       run: |
         cmake --build . --config Debug
         cmake --build . --config Release

.github/workflows/tag.yml

@@ -23,7 +23,7 @@ jobs:
         cmake -DCMAKE_BUILD_TYPE=Debug -DBUILD_SHARED_LIBS=ON -A x64 -DCMAKE_CXX_STANDARD=17 ..
 
     - name: Build
-      working-directory: ${{runner.workspace}}/build
+      working-directory: build
       run: |
         cmake --build . --config Debug
         cmake --build . --config Release

.github/workflows/windows.yml

@@ -19,17 +19,15 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Create Build Environment
-      run: cmake -E make_directory ${{runner.workspace}}/build
+      run: cmake -E make_directory build
 
     - name: Configure
-      # Use a bash shell for $GITHUB_WORKSPACE.
-      shell: bash
-      working-directory: ${{runner.workspace}}/build
+      working-directory: build
       run: |
         cmake -DCMAKE_BUILD_TYPE=${{matrix.build_type}} ${{matrix.shared}} \
               -A ${{matrix.platform}} \
               -DCMAKE_CXX_STANDARD=${{matrix.standard}} \
-              $GITHUB_WORKSPACE
+              ..
 
     - name: Build
       working-directory: ${{runner.workspace}}/build