update kotlin to 1.0.5-2

app/build.gradle

@@ -42,11 +42,12 @@ dependencies {
     compile 'com.simplemobiletools:filepicker:1.5.0@aar'
     compile 'com.simplemobiletools:fileproperties:1.0.5@aar'
     compile 'com.bignerdranch.android:recyclerview-multiselect:0.2'
+
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 
 buildscript {
-    ext.kotlin_version = '1.0.3'
+    ext.kotlin_version = '1.0.5-2'
     repositories {
         mavenCentral()
     }

app/src/main/kotlin/com/simplemobiletools/filemanager/fragments/ItemsFragment.kt

@@ -169,7 +169,7 @@ class ItemsFragment : android.support.v4.app.Fragment(), ItemsAdapter.ItemOperat
             return mimeType
 
         val type = mimeType.substring(0, mimeType.indexOf("/"))
-        return type + "/*"
+        return "$type/*"
     }
 
     override fun prepareForDeleting(paths: ArrayList<String>) {