Update nightly.yml

Author: opensource-krzysztof

.github/workflows/nightly.yml

@@ -100,7 +100,7 @@ jobs:
         compiler: [{c: cl, cxx: cl}]
         shared_library: ['ON', 'OFF']
         static_hwloc: ['ON', 'OFF']
-        generator: ['Ninja', 'NMake Makefiles']
+        generator: ['Ninja', 'NMake Makefiles', 'Unix Makefiles']
         umfd_lib: ['ON', 'OFF']
 
     runs-on: windows-latest
@@ -136,8 +136,8 @@ jobs:
       uses: seanmiddleditch/gha-setup-ninja@3b1f8f94a2f8254bd26914c4ab9474d4f0015f67 # v6
 
     - name: NMake Makefiles
-      if: matrix.generator == 'NMake Makefiles'
-      run: cmake -G "NMake Makefiles"
+      if: matrix.generator == 'Unix Makefiles'
+      run: cmake -G "Unix Makefiles"
 
 
     - name: Configure MSVC environment