Update shaderblow.adoc

Fixed last broken link.

src/docs/asciidoc/sdk/plugin/shaderblow.adoc

@@ -826,7 +826,7 @@ Features:
 |===
 
 a|.Frosted Glass effect Filter 
-image:sdk/plugin/Bb0jVjqvURw.jpg[youtube_Bb0jVjqvURw,width="",height="",link"https://youtu.be/Bb0jVjqvURw"]
+image:sdk/plugin/Bb0jVjqvURw.jpg[youtube_Bb0jVjqvURw,width="",height="",link="https://youtu.be/Bb0jVjqvURw"]
 a|
 
 |===