am 929e0a19: Add better documentation to fingerprint.h

* commit '929e0a194ed989af9b9de62126a962ebf9d191cc':
  Add better documentation to fingerprint.h
diff --git a/modules/sensors/multihal.cpp b/modules/sensors/multihal.cpp
index cd67f6d..d26d168 100644
--- a/modules/sensors/multihal.cpp
+++ b/modules/sensors/multihal.cpp
@@ -34,6 +34,8 @@
 #include <dlfcn.h>
 #include <SensorEventQueue.h>
 
+#include <limits.h>
+#include <stdlib.h>
 
 static const char* CONFIG_FILENAME = "/system/etc/sensors/hals.conf";
 static const char* LEGAL_SUBHAL_PATH_PREFIX = "/system/lib/hw/";