Hard-coded protocol resulting in secure-nonsecure warning

[thdoan]

If this plugin is used on a secure page, then it will throw a secure--nonsecure mixed content warning.

FIX: Remove the hard-coded protocol ("http:") from line 190.

[justinkwanlee]

I just pushed a fix for this, hopefully it gets merged in
#11

[Tastaturberuf]

👍