more CI mingw tinkering

The default tar in the path withing the CI environment is not
the bsdtar variation of tar that comes with Windows (the one
which will extract zip files as well as tar files).

Try using powershell instead for the extraction instead.

azure-pipelines.yml

@@ -137,8 +137,6 @@ steps:
     export ADD_CURSES=Y
     export PDCURSES_TOP=../submodules/pdcurses
     export LUA_VERSION=5.4.4
-    cd ../lib
-    mkdir mingw
     #
     # 64-bit
     #export CURLSRC=https://github.com/brechtsanders/winlibs_mingw/releases/download/11.2.0-9.0.0-ucrt-r4/winlibs-x86_64-posix-seh-gcc-11.2.0-mingw-w64ucrt-9.0.0-r4.zip
@@ -152,11 +150,17 @@ steps:
     export MINGWBIN=mingw32
     export MSYSTEM=MINGW32
     # all
+    mkdir -p ../lib
+    cd ../lib
+    mkdir -p mingw
     curl -L $CURLSRC -o $CURLDST
-    tar -C mingw -xvf $CURLDST
+    #tar -C mingw -xvf $CURLDST
+    #/c/Windows/System32/tar -C mingw -xvf $CURLDST
+    powershell -command "Expand-Archive -Force $CURLDST mingw"
     export PATH=../lib/mingw/$MINGWBIN/bin:$PATH
     export
     cd ../src
+    pwd
     cp ../sys/windows/Makefile.mingw32* .
     mingw32-make -f Makefile.mingw32 CI_COMPILER=1 MSYSTEM=$MSYSTEM LUA_VERSION=$LUA_VERSION clean
     mingw32-make -f Makefile.mingw32 CI_COMPILER=1 MSYSTEM=$MSYSTEM LUA_VERSION=$LUA_VERSION depend