Fix warning as error for V2

Change-Id: I70cfd971fda629011ba1be84fef15afea196d393
diff --git a/mbtk/mbtk_servicesd_v2/src/instance_monitor_service.c b/mbtk/mbtk_servicesd_v2/src/instance_monitor_service.c
index 2557304..a814bd6 100755
--- a/mbtk/mbtk_servicesd_v2/src/instance_monitor_service.c
+++ b/mbtk/mbtk_servicesd_v2/src/instance_monitor_service.c
@@ -31,7 +31,7 @@
 static void program_start(instance_info_t *info)
 {
     LOGD("Will start program : %s", info->ins_name);
-    system(info->ins_cmd);
+    mbtk_system(info->ins_cmd);
 }
 
 static int pidof(const char *program)
diff --git a/mbtk/mbtk_servicesd_v2/src/led_control_service.c b/mbtk/mbtk_servicesd_v2/src/led_control_service.c
index 7fd53dc..9f87cf5 100755
--- a/mbtk/mbtk_servicesd_v2/src/led_control_service.c
+++ b/mbtk/mbtk_servicesd_v2/src/led_control_service.c
@@ -31,9 +31,9 @@
 int mbtk_read_ccinet(void)
 {
     FILE *fp;
-    int ret = 0;
+//    int ret = 0;
     char buffer[1024];
-    char type[10]={0};
+//    char type[10]={0};
 
     fp = popen("ifconfig", "r");
     if (fp == NULL) {
@@ -41,7 +41,9 @@
         return -1;
     }
 
-    fread(buffer,1, sizeof(buffer) -1, fp);
+    if(fread(buffer,1, sizeof(buffer) -1, fp) <= 0) {
+
+    }
     //LOGE("[led]buffer:%s\n", buffer);
     pclose(fp); //
 
@@ -290,7 +292,7 @@
 
 int mbtk_led_init(void)
 {
-    int ret = MBTK_RESULT_FAIL;
+//    int ret = MBTK_RESULT_FAIL;
 
     mbtk_led_gpio_init(MBTK_STATUS_LED);
     mbtk_led_gpio_init(MBTK_NET_LED);
@@ -299,7 +301,7 @@
 
     pthread_attr_t thread_attr;
     pthread_t net_led_thread_id;
-    pthread_t status_led_thread_id;
+//    pthread_t status_led_thread_id;
     pthread_attr_init(&thread_attr);
     if(pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED))
     {
diff --git a/mbtk/mbtk_servicesd_v2/src/main.c b/mbtk/mbtk_servicesd_v2/src/main.c
index 6afe654..f546cd3 100755
--- a/mbtk/mbtk_servicesd_v2/src/main.c
+++ b/mbtk/mbtk_servicesd_v2/src/main.c
@@ -22,6 +22,8 @@
 #include "mbtk_type.h"
 #include "mbtk_log.h"
 #include "instance_info.h"
+#include "mbtk_str.h"
+#include "mbtk_utils.h"
 
 #define MBTK_SERVICES_PID_FILE "/var/run/mbtk_servicesd.pid"
 #define MBTK_SERVICES_CONF_FILE "/etc/mbtk_servicesd.conf"
diff --git a/mbtk/mbtk_servicesd_v2/src/ntp_service.c b/mbtk/mbtk_servicesd_v2/src/ntp_service.c
index c552d88..7772544 100755
--- a/mbtk/mbtk_servicesd_v2/src/ntp_service.c
+++ b/mbtk/mbtk_servicesd_v2/src/ntp_service.c
@@ -34,7 +34,7 @@
 static int metis_strptime(char *str_time)
 {
     struct tm stm;
-    char dateTime[30];
+//    char dateTime[30];
     struct timeval tv;
     if(strptime(str_time, "%Y-%m-%d %H:%M:%S",&stm) != NULL)
     {