Whitespace cleanup; no functional changes.

src/com/fsck/k9/K9.java

@@ -1058,45 +1058,45 @@ public class K9 extends Application {
     }
 
     public static boolean batchButtonsMarkRead() {
-    	return mBatchButtonsMarkRead;
+        return mBatchButtonsMarkRead;
     }
     public static void setBatchButtonsMarkRead(final boolean state) {
-    	mBatchButtonsMarkRead = state;
+        mBatchButtonsMarkRead = state;
     }
 
     public static boolean batchButtonsDelete() {
-    	return mBatchButtonsDelete;
+        return mBatchButtonsDelete;
     }
     public static void setBatchButtonsDelete(final boolean state) {
-    	mBatchButtonsDelete = state;
+        mBatchButtonsDelete = state;
     }
 
     public static boolean batchButtonsArchive() {
-    	return mBatchButtonsArchive;
+        return mBatchButtonsArchive;
     }
     public static void setBatchButtonsArchive(final boolean state) {
-    	mBatchButtonsArchive = state;
+        mBatchButtonsArchive = state;
     }
 
     public static boolean batchButtonsMove() {
-    	return mBatchButtonsMove;
+        return mBatchButtonsMove;
     }
     public static void setBatchButtonsMove(final boolean state) {
-    	mBatchButtonsMove = state;
+        mBatchButtonsMove = state;
     }
 
     public static boolean batchButtonsFlag() {
-    	return mBatchButtonsFlag;
+        return mBatchButtonsFlag;
     }
     public static void setBatchButtonsFlag(final boolean state) {
-    	mBatchButtonsFlag = state;
+        mBatchButtonsFlag = state;
     }
 
     public static boolean batchButtonsUnselect() {
-    	return mBatchButtonsUnselect;
+        return mBatchButtonsUnselect;
     }
     public static void setBatchButtonsUnselect(final boolean state) {
-    	mBatchButtonsUnselect = state;
+        mBatchButtonsUnselect = state;
     }
 
     /**