Lint and other cleanups from William Rucklidge

Change-Id: I7fb23c2db85f0f121204560b79f1966f3d584431
diff --git a/jni/Android.mk b/jni/Android.mk
index 3f37f35..56f5db6 100644
--- a/jni/Android.mk
+++ b/jni/Android.mk
@@ -195,7 +195,7 @@
                    $(CERES_SRC_PATH)/generated/schur_eliminator_4_4_3.cc \
                    $(CERES_SRC_PATH)/generated/schur_eliminator_4_4_4.cc \
                    $(CERES_SRC_PATH)/generated/schur_eliminator_4_4_d.cc \
-		   $(CERES_SRC_PATH)/generated/partitioned_matrix_view_d_d_d.cc \
+                   $(CERES_SRC_PATH)/generated/partitioned_matrix_view_d_d_d.cc \
                    $(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_2_2.cc \
                    $(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_2_3.cc \
                    $(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_2_4.cc \