Fix build

Change-Id: I17944c557970ed35e1bc67f6f3e3372ff88651ad
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 7e01232..86c603e 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -863,7 +863,7 @@
         // Log to disk
         Launcher.addDumpLog(TAG, "11683562 - stripEmptyScreens()", true);
 
-        if (isWorkspaceLoading()) {
+        if (mLauncher.isWorkspaceLoading()) {
             // Don't strip empty screens if the workspace is still loading
             Launcher.addDumpLog(TAG, "    - workspace loading, skip", true);
             return;