Use local variables in functions.

config/chroot_local-includes/usr/local/sbin/unsafe-browser

@@ -26,20 +26,20 @@ cleanup () {
 }
 
 error () {
-    CLI_TEXT="${0}: error: ${@}"
-    DIALOG_TEXT= "${@}
+    local cli_text="${0}: error: ${@}"
+    local dialog_text= "${@}
 
 Unsafe Browser will exit now."
-    echo "${CLI_TEXT}" >&2
-    zenity --error --title "" --text "${DIALOG_TEXT}"
+    echo "${cli_text}" >&2
+    zenity --error --title "" --text "${dialog_text}"
     cleanup
     exit 1
 }
 
 warning () {
-    TEXT="${@}"
-    echo "${0}: warning: ${TEXT}" >&2
-    zenity --warning --title "" --text "${TEXT}"
+    local text="${@}"
+    echo "${0}: warning: ${text}" >&2
+    zenity --warning --title "" --text "${text}"
 }
 
 # First make sure the user really wants this