Update RenaScans (#2740)

Update RenaScans

src/en/renascans/build.gradle

@@ -5,7 +5,7 @@ ext {
     appName = 'Tachiyomi: Renaissance Scans'
     pkgNameSuffix = 'en.renascans'
     extClass = '.Renascans'
-    extVersionCode = 2
+    extVersionCode = 3
     libVersion = '1.2'
 }
 

src/en/renascans/src/eu/kanade/tachiyomi/extension/en/renascans/Renascans.kt

@@ -134,7 +134,10 @@ class Renascans : ParsedHttpSource() {
         val pages = mutableListOf<Page>()
 
         document.select("div.col-xs-12 img")?.forEach {
-            pages.add(Page(pages.size, "", it.attr("data-src")))
+            var page = it.attr("data-src")
+            if (page.isNotEmpty()) {
+                pages.add(Page(pages.size, "", page))
+            }
         }
 
         return pages