Fix error when hostname w trailing dot supplied

Author: drwetter

testssl.sh

@@ -21255,7 +21255,7 @@ parse_hn_port() {
      NODE="$1"
      NODE="${NODE/https\:\/\//}"        # strip "https"
      NODE="${NODE%%/*}"                 # strip trailing urlpath
-     NODE="${NODE%%.}"                  # strip trailing "." if supplied
+
      if grep -q ':$' <<< "$NODE"; then
           if grep -wq http <<< "$NODE"; then
                fatal "\"http\" is not what you meant probably" $ERR_CMDLINE
@@ -21278,6 +21278,8 @@ parse_hn_port() {
                PORT=$(sed 's/^.*\://' <<< "$NODE") && NODE=$(sed 's/\:.*$//' <<< "$NODE")
      fi
 
+     NODE="${NODE%%.}"                  # strip trailing "." if supplied
+
      # We check for non-ASCII chars now. If there are some we'll try to convert it if IDN/IDN2 is installed
      # If not, we'll continue. Hoping later that dig can use it. If not the error handler will tell
      # Honestly we don't care whether it's IDN2008 or IDN2003 or Emoji domains as long as it works.