Fixed issues with reducing url dots

Author: Aribros

src/ReferenceContext.php

@@ -131,8 +131,8 @@ private function reduceDots($path)
                 //Confirm parent is valid
                 if(!empty($parts[$parent]) && $parts[$parent] !== '..'){
                     unset($parts[$parent]);
-                    unset($parts[$i]);
                 }
+                unset($parts[$i]);
             }
         }
         return '/'.implode('/', $parts);

tests/ReferenceContextTest.php

@@ -179,6 +179,10 @@ public function normalizeUriProvider()
                 '/var/www/api/../definitions.yaml',
                 'file:///var/www/definitions.yaml',
             ],
+            [
+                '/./definitions.yaml',
+                'file:///definitions.yaml',
+            ],            
             [
                 '/var/www/api/schema/../../definitions.yaml',
                 'file:///var/www/definitions.yaml',