Windows local file path resolve fix

Author: akustovbanuba

src/url.cpp

@@ -199,8 +199,17 @@ namespace Url
             }
         }
 
+        // Windows local file path
+        if (static_cast<int>(url.length() - position) >= 4
+            && url[position] == '/'
+            && url[position + 1] == '/'
+            && url[position + 2] == '/'
+            && url[position + 4] == ':')
+        {
+            position += 3;
+        }
         // Search for the netloc
-        if ((url.length() - position) >= 1
+        else if ((url.length() - position) >= 1
             && url[position] == '/'
             && url[position + 1] == '/')
         {
@@ -443,7 +452,8 @@ namespace Url
         }
         else
         {
-            if (!host_.empty() && path_[0] != '/')
+            if ((!host_.empty() && path_[0] != '/') ||
+                (host_.empty() && path_[0] != '/' && path_[2] == ':'))
             {
                 result.append(1, '/');
             }