3 files changed, 11 insertions, 1 deletions
diff --git a/platform/android/api/api.h b/platform/android/api/api.h
index c7296d92a7..5e951b9c88 100644
--- a/platform/android/api/api.h
+++ b/platform/android/api/api.h
@@ -28,5 +28,10 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
+#ifndef ANDROID_API_H
+#define ANDROID_API_H
+
 void register_android_api();
 void unregister_android_api();
+
+#endif // ANDROID_API_H
diff --git a/platform/android/export/export.h b/platform/android/export/export.h
index ce786cc8b6..d11ab9f49e 100644
--- a/platform/android/export/export.h
+++ b/platform/android/export/export.h
@@ -28,4 +28,9 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
+#ifndef ANDROID_EXPORT_H
+#define ANDROID_EXPORT_H
+
 void register_android_exporter();
+
+#endif // ANDROID_EXPORT_H
diff --git a/platform/android/java/lib/src/com/google/android/vending/expansion/downloader/Constants.java b/platform/android/java/lib/src/com/google/android/vending/expansion/downloader/Constants.java
index 1dcc370d83..0700b78a28 100644
--- a/platform/android/java/lib/src/com/google/android/vending/expansion/downloader/Constants.java
+++ b/platform/android/java/lib/src/com/google/android/vending/expansion/downloader/Constants.java
@@ -233,4 +233,4 @@ public class Constants {
      */
     public static final long ACTIVE_THREAD_WATCHDOG = 5*1000;
 
-}
-\ No newline at end of file
+}