Fix error with profileMode imageUrl on Windows devices

when imageUrl was set with external link resources.Get throws an error

Ref: https://github.com/gohugoio/hugo/commit/22ef5da20d1685dfe6aff3bd9364c9b1f1d0d8f8

fixes: #1019

layouts/partials/index_profile.html

@@ -2,7 +2,10 @@
     {{- with site.Params.profileMode }}
     <div class="profile_inner">
         {{- if .imageUrl -}}
-        {{- $img := resources.Get .imageUrl }}
+        {{- $img := "" }}
+        {{- if not (urls.Parse .imageUrl).IsAbs }}
+            {{- $img = resources.Get .imageUrl }}
+        {{- end }}
         {{- if $img }}
             {{- $processableFormats := (slice "jpg" "jpeg" "png" "tif" "bmp" "gif") -}}
             {{- if hugo.IsExtended -}}