[Feature][ZXW-179]merge P52U02 version

Only Configure: No
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: I4fa8f86757e71388ae88400914dae8b50cd00338
diff --git a/ap/app/include/at_msg.h b/ap/app/include/at_msg.h
index 943e126..024dcca 100755
--- a/ap/app/include/at_msg.h
+++ b/ap/app/include/at_msg.h
@@ -304,11 +304,18 @@
 /* ¶ÔÓ¦VOLTEÓëAT_CTLÖ®¼ä½»»¥µÄÏûÏ¢MSG_CMD_FD2_VOLTE_TO_ATCTL/MSG_CMD_FD2_ATCTL_TO_VOLTE */
 typedef struct 
 {
-    char msg_data[MSG_DATA_MAX_LEN-12];
-	int msg_len;
     int at_fd;
+	int msg_len;
+    char msg_data[MSG_DATA_MAX_LEN-12];
 }VOLTE_MSG_DATA;
 
+typedef struct 
+{
+    int at_fd;
+	int msg_len;
+    char msg_data[];
+}VOLTE_MSG_DATA_HEAD;
+
 
 #endif