Fix warning as error for V2

Change-Id: I70cfd971fda629011ba1be84fef15afea196d393
diff --git a/mbtk/mbtk_rild_v2/src/ril_net.c b/mbtk/mbtk_rild_v2/src/ril_net.c
index 16d3118..8aacb7c 100755
--- a/mbtk/mbtk_rild_v2/src/ril_net.c
+++ b/mbtk/mbtk_rild_v2/src/ril_net.c
@@ -1150,7 +1150,7 @@
 static int req_cell_info_set(const char *cmgl, char *reg, int len, int *cme_err)
 {
     ATResponse *response = NULL;
-    char cmd[30] = {0};
+    char cmd[500] = {0};
 	char data[218] = {0};
     int err = 0;
 
@@ -1168,8 +1168,8 @@
 
         ATLine* lines_ptr = response->p_intermediates;
         char *line = NULL;
-        int reg_len = 0;
-		bool flag = false;
+//        int reg_len = 0;
+//		bool flag = false;
         while(lines_ptr)
         {
             line = lines_ptr->line;