Make sure that lgm is not ran as root.

linux-game-manager.sh

@@ -802,6 +802,12 @@ migrate_launcher() {
 }
 
 
+# Make sure this is not ran as root
+if [[ "$(whoami)" == "root" ]]; then
+    echo "Please do not run ${0##*/} as root."
+    exit 1
+fi
+
 # Detect dialog interface type BEFORE potentially setting DISPLAY
 # This must happen before we modify DISPLAY to preserve console detection
 if [[ -z "$DISPLAY" ]]; then