Fixed defect "Avatar image broken when baseurl set to blank. wowtheme…

…snet#20"

prefixed site.url to load the image when baseurl is blank.
Although is working fine but an extra forward slash exists in the image path.

_layouts/post.html

@@ -17,7 +17,7 @@
 					<h1 class="display-4 mb-4 article-headline">{{ page.title }}</h1>
 					<div class="d-flex align-items-center">
                         {% if author.avatar %}
-                        <img class="rounded-circle" src="{{site.baseurl}}/{{author.avatar}}" alt="{{author.name}}" width="70"/>
+                        <img class="rounded-circle" src="{{site.url}}{{site.baseurl}}/{{author.avatar}}" alt="{{author.name}}" width="70"/>
                         {% endif %}
 						<small class="ml-3"> {{ author.name }} <span><a target="_blank" href="{{ author.twitter }}" class="btn btn-outline-success btn-sm btn-round ml-1">Follow</a></span>
                             <span class="text-muted d-block mt-1">{{ page.date | date: '%b %d, %Y' }} · {% include meta-read-time.html %}</span>
@@ -110,7 +110,7 @@ <h5 class="font-weight-bold">Join Newsletter</h5>
 				<div class="row mt-5">
 					<div class="col-md-2 align-self-center">
                          {% if author.avatar %}
-                        <img class="rounded-circle" src="{{site.baseurl}}/{{author.avatar}}" alt="{{author.name}}" width="90"/>
+                        <img class="rounded-circle" src="{{site.url}}{{site.baseurl}}/{{author.avatar}}" alt="{{author.name}}" width="90"/>
                         {% endif %} 
 					</div>
 					<div class="col-md-10">