fix(make,mutt): fix for "nounset"

Author: akinomyoga

completions/make

@@ -137,7 +137,7 @@ _make()
             if [[ ${words[i]} == -@(C|-directory) ]]; then
                 # Expand tilde expansion
                 local ret
-                _comp_dequote "${words[i + 1]}" &&
+                _comp_dequote "${words[i + 1]-}" &&
                     [[ -d ${ret-} ]] &&
                     makef_dir=(-C "$ret")
                 break
@@ -150,7 +150,7 @@ _make()
             if [[ ${words[i]} == -@(f|-?(make)file) ]]; then
                 # Expand tilde expansion
                 local ret
-                _comp_dequote "${words[i + 1]}" &&
+                _comp_dequote "${words[i + 1]-}" &&
                     [[ -f ${ret-} ]] &&
                     makef=(-f "$ret")
                 break

completions/mutt

@@ -26,7 +26,7 @@ _muttrc()
                 _comp_dequote "${1:2}" && muttrc=$ret
             else
                 shift
-                [[ $1 ]] && _comp_dequote "$1" && muttrc=$ret
+                [[ ${1-} ]] && _comp_dequote "$1" && muttrc=$ret
             fi
             break
         fi