Fix lynq sv get.

Change-Id: Ic5f649f5bba43ff356f3b57f5069356749f4226a
diff --git a/mbtk/liblynq_lib/src/lynq_sim.c b/mbtk/liblynq_lib/src/lynq_sim.c
index 7c3a3a5..edac081 100755
--- a/mbtk/liblynq_lib/src/lynq_sim.c
+++ b/mbtk/liblynq_lib/src/lynq_sim.c
@@ -5,6 +5,9 @@
 /****************************DEFINE***************************************/
 #define QSER_RESULT_SUCCESS 0
 #define QSER_RESULT_FAIL -1
+
+#define QSER_IMEI_SV_VERSION "01"
+
 /****************************DEFINE***************************************/
 
 /****************************VARIABLE***************************************/
@@ -540,7 +543,6 @@
         return QSER_RESULT_FAIL;
     }
 
-    int length = 0;
     int err = mbtk_imei_get(qser_info_handle, imei);
     if(err)
     {
@@ -548,9 +550,8 @@
         return QSER_RESULT_FAIL;
     }
 
-    length = strlen(imei);
-    memcpy(sv, imei, length);
-    memcpy(sv + length - 1, "01", 2);
+    memcpy(sv, QSER_IMEI_SV_VERSION, strlen(QSER_IMEI_SV_VERSION));
+
     return QSER_RESULT_SUCCESS;
 }