Tweaks to msys2

Signed-off-by: falkTX <falktx@falktx.com>

.github/workflows/build.yml

@@ -26,12 +26,15 @@ jobs:
 
   msys2-i686:
     runs-on: windows-latest
+    defaults:
+      run:
+        shell: msys2 {0}
     steps:
       - uses: actions/checkout@v2
       - uses: msys2/setup-msys2@v2
         with:
           msystem: mingw32
-          install: mingw-w64-i686-toolchain
+          install: base-devel make mingw-w64-i686-toolchain
       - name: make features
         run: make features
       - name: make
@@ -39,12 +42,15 @@ jobs:
 
   msys2-x86_64:
     runs-on: windows-latest
+    defaults:
+      run:
+        shell: msys2 {0}
     steps:
       - uses: actions/checkout@v2
       - uses: msys2/setup-msys2@v2
         with:
           msystem: mingw64
-          install: mingw-w64-x86_64-toolchain
+          install: base-devel make mingw-w64-x86_64-toolchain
       - name: make features
         run: make features
       - name: make