[CONFIG] [Github Actions] C/C++ for windows.

Author: Gonzalo Diaz

.github/workflows/c-windows.yml

@@ -66,12 +66,13 @@ jobs:
           -DCMAKE_BUILD_TYPE=Debug
           -DCMAKE_C_COMPILER=cl
           -DCMAKE_CXX_COMPILER=cl
-          -S${{ github.workspace }} -B${{ github.workspace }}/build/default -G "Unix Makefiles"
+          -S${{ github.workspace }}
+          -B${{ github.workspace }}/build/default -G "MinGW Makefiles"
 
       - name: Build
         run: |
           cmake --build build/default
 
       - name: Test
-        run: |
-          ctest --test-dir C:/Users/gonza/devel/gon/algorithm-exercises-c/build/default
+        run: >
+          ctest --test-dir ${{ github.workspace }}/build/default