Fix theme change causing UI lockup

AndroidManifest.xml

@@ -2,8 +2,8 @@
 <manifest xmlns:a="http://schemas.android.com/apk/res/android"
     package="com.thejoshwa.ultrasonic.androidapp"
     a:installLocation="auto"
-    a:versionCode="18"
-    a:versionName="1.1.0.14" >
+    a:versionCode="19"
+    a:versionName="1.1.0.15" >
 
     <uses-permission a:name="android.permission.INTERNET" />
     <uses-permission a:name="android.permission.READ_PHONE_STATE" />

src/com/thejoshwa/ultrasonic/androidapp/activity/SubsonicTabActivity.java

@@ -148,6 +148,7 @@ public class SubsonicTabActivity extends Activity implements OnClickListener{
         
 		// Make sure to update theme
         if (theme != null && !theme.equals(Util.getTheme(this))) {
+        	theme = Util.getTheme(this);
             restart();
         }