Fixed building with a bazel with hdrs_check fixed again.

Change-Id: I015f66cd6e02e07efa367b96edd775015ac0abca
diff --git a/frc971/BUILD b/frc971/BUILD
new file mode 100644
index 0000000..4729bf6
--- /dev/null
+++ b/frc971/BUILD
@@ -0,0 +1,15 @@
+package(default_visibility = ['//visibility:public'])
+
+cc_library(
+  name = 'shifter_hall_effect',
+  hdrs = [
+    'shifter_hall_effect.h',
+  ],
+)
+
+cc_library(
+  name = 'constants',
+  hdrs = [
+    'constants.h',
+  ],
+)
diff --git a/frc971/control_loops/BUILD b/frc971/control_loops/BUILD
index 14799e4..26d00a5 100644
--- a/frc971/control_loops/BUILD
+++ b/frc971/control_loops/BUILD
@@ -29,6 +29,9 @@
 
 cc_library(
   name = 'hall_effect_tracker',
+  hdrs = [
+    'hall_effect_tracker.h',
+  ],
   deps = [
     ':queues',
   ],
@@ -99,7 +102,12 @@
 
 cc_library(
   name = 'state_feedback_loop',
+  hdrs = [
+    'state_feedback_loop.h',
+  ],
   deps = [
     '//third_party/eigen',
+    '//aos/common/logging',
+    '//aos/common:macros',
   ],
 )
diff --git a/frc971/wpilib/BUILD b/frc971/wpilib/BUILD
index c611d32..f9a7e9e 100644
--- a/frc971/wpilib/BUILD
+++ b/frc971/wpilib/BUILD
@@ -144,6 +144,9 @@
 
 cc_library(
   name = 'hall_effect',
+  hdrs = [
+    'hall_effect.h',
+  ],
   deps = [
     '//aos/externals:wpilib',
   ],
diff --git a/frc971/zeroing/BUILD b/frc971/zeroing/BUILD
index 2d03102..67cb091 100644
--- a/frc971/zeroing/BUILD
+++ b/frc971/zeroing/BUILD
@@ -19,6 +19,7 @@
   ],
   deps = [
     '//frc971/control_loops:queues',
+    '//frc971:constants',
   ],
 )