fix(dracut-lib.sh): initialize variables in getargs

Initialize the variables in `getargs` to make the function work with
`set -u`.

diff --git a/modules.d/80base/dracut-lib.sh b/modules.d/80base/dracut-lib.sh
index 05c361c62045ffa27dc738f7efdd5852eb2d0aef..39a1539043b459774aa21d41733291b5528d4ebf 100755 (executable)
--- a/modules.d/80base/dracut-lib.sh
+++ b/modules.d/80base/dracut-lib.sh
@@ -274,9 +274,8 @@ getargs() {
     debug_off
     CMDLINE=$(getcmdline)
     export CMDLINE
-    local _val _i _gfound _deprecated
+    local _val _i _gfound="" _deprecated=""
     unset _val
-    unset _gfound
     _newoption="$1"
     for _i in "$@"; do
         if [ "$_i" = "-d" ]; then