zsh: treewide: minor fixes/style

.config/zsh/alias/gpg.zsh

@@ -1,11 +1,14 @@
 #!/bin/zsh
 
 gpg-warmup() {
+    local t r
+
     (( ${+commands[gpg]} )) || return 1
-    local r t
+
     t=$(mktemp)
     command gpg -abs "$t"
     r=$?
     command rm -f "$t" "$t.asc"
+
     return "$r"
 }