contrib/upload: minor fixes

contrib/upload

@@ -19,7 +19,7 @@ version=`git describe --tags --abbrev=0`
 echo $version
 
 if [ -z "$ELECBUILD_UPLOADFROM" ]; then
-    cd "$PROJECT_ROOT/../dist"
+    cd "$PROJECT_ROOT/dist"
 else
     cd "$ELECBUILD_UPLOADFROM"
 fi
@@ -27,7 +27,7 @@ fi
 
 sftp -oBatchMode=no -b - "$SSHUSER@uploadserver" << !
    cd electrum-downloads-airlock
-   mkdir --parents "$version"
+   mkdir "$version"
    cd "$version"
    mput *
    bye