fixup! TO-DROP: verify that the pacman work-around works

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

.github/workflows/sync.yml

@@ -51,7 +51,7 @@ jobs:
             return 1
           done &&
           tar -xvf "$PWD"/MSYS-packages/pacman-*.pkg.tar* usr/bin/pacman.exe &&
-          sed -i 's/^\(# *\)\?\(IgnorePkg *=.*\)/\1 pacman/' etc/pacman.conf
+          sed -i 's/^\(# *\)\?\(IgnorePkg *=.*\)/\2 pacman/' etc/pacman.conf
       - name: Update all Pacman packages
         shell: pwsh
         run: |