Fix array configs not saving in config GUI

src/main/java/com/tterrag/blur/config/BlurConfigGui.java

@@ -19,7 +19,8 @@ public class BlurConfigGui extends GuiConfig {
     
     @Override
     public void initGui() {
-        super.initGui();
+        if (this.entryList == null || this.needsRefresh)
+        {
             this.entryList = new GuiConfigEntries(this, mc) {
                 @SuppressWarnings({ "unused", "null" })
                 @Override
@@ -29,6 +30,9 @@ public class BlurConfigGui extends GuiConfig {
                     }
                 }
             };
+            this.needsRefresh = false;
+        }
+        super.initGui();
     }
     
     @Override