E-Hentai WatchedList checkbox fix (#2399)

* E-Hentai WatchedList checkbox fix

* Update build.gradle

src/all/ehentai/build.gradle

@@ -5,7 +5,7 @@ ext {
     appName = 'Tachiyomi: E-Hentai'
     pkgNameSuffix = 'all.ehentai'
     extClass = '.EHFactory'
-    extVersionCode = 8
+    extVersionCode = 9
     libVersion = '1.2'
 }
 

src/all/ehentai/src/eu/kanade/tachiyomi/extension/all/ehentai/EHentai.kt

@@ -287,7 +287,8 @@ open class EHentai(override val lang: String, private val ehLang: String) : Http
     
     class Watched : Filter.CheckBox("Watched List"), UriFilter {
         override fun addToUri(builder: Uri.Builder) {
-            builder.appendPath("watched")
+            if(state)
+                builder.appendPath("watched")
         }
     }