Kiutaku: encode search (#8729)

src/all/kiutaku/build.gradle

@@ -1,7 +1,7 @@
 ext {
     extName = 'Kiutaku'
     extClass = '.Kiutaku'
-    extVersionCode = 2
+    extVersionCode = 3
     isNsfw = true
 }
 

src/all/kiutaku/src/eu/kanade/tachiyomi/extension/all/kiutaku/Kiutaku.kt

@@ -78,7 +78,12 @@ class Kiutaku : ParsedHttpSource() {
     }
 
     override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
-        return GET("$baseUrl/?search=$query&start=${getPage(page)}", headers)
+        val url = baseUrl.toHttpUrl().newBuilder()
+            .addQueryParameter("search", query)
+            .addQueryParameter("start", getPage(page).toString())
+            .build()
+
+        return GET(url, headers)
     }
 
     override fun searchMangaSelector() = popularMangaSelector()