1 files changed, 2 insertions, 0 deletions
diff --git a/src/plugins/platforms/android/androidjnimain.h b/src/plugins/platforms/android/androidjnimain.h
index 170596082d..08f1d50fe3 100644
--- a/src/plugins/platforms/android/androidjnimain.h
+++ b/src/plugins/platforms/android/androidjnimain.h
@@ -58,9 +58,11 @@ class QWidget;
 class QString;
 class QWindow;
 class AndroidSurfaceClient;
+class QBasicMutex;
 
 namespace QtAndroid
 {
+    QBasicMutex *platformInterfaceMutex();
     QAndroidPlatformIntegration *androidPlatformIntegration();
     void setAndroidPlatformIntegration(QAndroidPlatformIntegration *androidPlatformIntegration);
     void setQtThread(QThread *thread);