kwalletcli: fix kwalletcli_getpin command (#188818)

Co-authored-by: Sandro <[e-mail]>

pkgs/tools/security/kwalletcli/default.nix

···
 
     substituteInPlace pinentry-kwallet \
       --replace '/usr/bin/env mksh' ${mksh}/bin/mksh
+
+    substituteInPlace kwalletcli_getpin \
+      --replace '/usr/bin/env mksh' ${mksh}/bin/mksh
   '';
 
   makeFlags = [ "KDE_VER=5" ];
···
   '';
 
   postInstall = ''
-    wrapProgram $out/bin/pinentry-kwallet \
-      --prefix PATH : $out/bin:${lib.makeBinPath [ pinentry-qt ]} \
-      --set-default PINENTRY pinentry-qt
+    for program in pinentry-kwallet kwalletcli_getpin; do
+      wrapProgram $out/bin/$program \
+        --prefix PATH : $out/bin:${lib.makeBinPath [ pinentry-qt ]} \
+        --set-default PINENTRY pinentry-qt
+    done
   '';
 
   meta = with lib; {