completion: Split declaration and assignment of variables

Having them on the same line masks failure of the subcommand generating
the value being assigned. Spotted by shellcheck.

Signed-off-by: Philip Withnall <pwithnall@gnome.org>

gio/completion/gdbus

@@ -9,9 +9,11 @@
 
 __gdbus() {
     local IFS=$'\n'
-    local cur="$(_get_cword :)"
+    local cur
+    cur="$(_get_cword :)"
 
-    local suggestions="$(gdbus complete "${COMP_LINE}" "${COMP_POINT}")"
+    local suggestions
+    suggestions="$(gdbus complete "${COMP_LINE}" "${COMP_POINT}")"
     COMPREPLY=($(compgen -W "$suggestions" -- "$cur"))
 
     # Remove colon-word prefix from COMPREPLY items

gio/completion/gio

@@ -71,7 +71,8 @@ __gio_location() {
     local name size type
     while IFS=$'\t' read name size type; do
         # Escape name properly
-        local escaped_name="$(printf "%q" "$name")"
+        local escaped_name
+        escaped_name="$(printf "%q" "$name")"
 
         # Append slash for directories and space for files
         if [[ "$type" == "(directory)" ]]; then