Fix issue with "nexport" warnings in babun

bin/fin

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-FIN_VERSION=1.9.2
+FIN_VERSION=1.9.3
 
 # Console colors
 red='\033[0;91m'
@@ -2452,9 +2452,11 @@ install_tools_windows ()
 	mkdir -p "$CONFIG_DOWNLOADS_DIR" 2>/dev/null
 	if_failed "Could not create $CONFIG_DOWNLOADS_DIR"
 
+	# Remove old incorrect line
+	sed -i "s/^\\\\nexport.*$//" "$HOME/.babunrc"
 	# Disable Babun update checks as they often bring problems
 	if ! (grep '^export DISABLE_CHECK_ON_STARTUP="true"' "$HOME/.babunrc" >/dev/null 2>&1); then
-		echo "\n"'export DISABLE_CHECK_ON_STARTUP="true"' >> "$HOME/.babunrc"
+		echo -e "\n"'export DISABLE_CHECK_ON_STARTUP="true"' >> "$HOME/.babunrc"
 	fi
 
 	if ! is_docker_native; then