Fixed a new-line issue with lynx

Lynx displayed a new-line after the expected output. This addition fixes this issue.

Author: kekePower

recipes/Bash/578578_Get_external_IP/recipe-578578.sh

@@ -1,5 +1,5 @@
 wget -qO - http://icanhazip.com | grep ^
 # or
-lynx --dump http://icanhazip.com | grep ^
+lynx --dump http://icanhazip.com | grep ^ | head -1
 # or
 curl -s http://icanhazip.com | grep ^