From 9e3bf320c3743b81b9260eff7ed78082999bc612 Mon Sep 17 00:00:00 2001
From: Mauro Rossi <issor.oruam@gmail.com>
Date: Fri, 19 Jan 2018 23:10:39 +0100
Subject: [PATCH] activity: fix build error by including <errno.h>

Fixes the following building errors:

hardware/intel/libsensors/activity.c:314:48: error: use of undeclared identifier 'errno'
                ALOGE("Error %s creating socket\n", strerror(errno));
                                                             ^
hardware/intel/libsensors/activity.c:320:47: error: use of undeclared identifier 'errno'
                ALOGE("Error %s binding socket\n", strerror(errno));
                                                            ^
hardware/intel/libsensors/activity.c:326:66: error: use of undeclared identifier 'errno'
                ALOGW("Error %s setting socket to listening state\n", strerror(errno));
                                                                               ^
hardware/intel/libsensors/activity.c:349:54: error: use of undeclared identifier 'errno'
                        ALOGE("Error %s accepting connection\n", strerror(errno));
                                                                          ^
hardware/intel/libsensors/activity.c:355:65: error: use of undeclared identifier 'errno'
                        ALOGE("Error %s in receiving message, conn = %d\n", strerror(errno), conn);
                                                                                     ^
hardware/intel/libsensors/activity.c:508:62: error: use of undeclared identifier 'errno'
                fprintf(stderr, "Error \"%s\" creating socket\n", strerror(errno));
                                                                           ^
hardware/intel/libsensors/activity.c:509:10: error: use of undeclared identifier 'errno'
                return errno;
                       ^
hardware/intel/libsensors/activity.c:514:67: error: use of undeclared identifier 'errno'
                fprintf(stderr, "Error \"%s\" connecting to server\n", strerror(errno));
                                                                                ^
hardware/intel/libsensors/activity.c:515:10: error: use of undeclared identifier 'errno'
                return errno;
                       ^
hardware/intel/libsensors/activity.c:520:72: error: use of undeclared identifier 'errno'
                fprintf(stderr, "Error \"%s\" sending message to server\n", strerror(errno));
                                                                                     ^
hardware/intel/libsensors/activity.c:521:10: error: use of undeclared identifier 'errno'
                return errno;
                       ^
hardware/intel/libsensors/activity.c:526:73: error: use of undeclared identifier 'errno'
                fprintf(stderr, "Error \"%s\" getting answer from server\n", strerror(errno));
                                                                                      ^
hardware/intel/libsensors/activity.c:527:10: error: use of undeclared identifier 'errno'
                return errno;
                       ^
13 errors generated.
---
 activity.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/activity.c b/activity.c
index c263ed7..8523bc2 100644
--- a/activity.c
+++ b/activity.c
@@ -22,7 +22,7 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/un.h>
-
+#include <errno.h>
 #include <hardware/activity_recognition.h>
 #include <hardware/sensors.h>
 #include <utils/Log.h>
-- 
2.11.0