[Feature][T8TSK-250][ADBD]add adb debug patch

Only Configure: No
Affected branch: GSW3.0-No-Connman
Affected module: adbd
Is it addected on both ZXIC and MTK: only MTK
Self-test: Yes
Doc Update: No

Change-Id: Id158d099ac8b9661a4fa1b51e731be951da56ed8
diff --git a/src/devtools/adb/file_sync_service.c b/src/devtools/adb/file_sync_service.c
index b2a8bc6..ba87c2c 100644
--- a/src/devtools/adb/file_sync_service.c
+++ b/src/devtools/adb/file_sync_service.c
@@ -111,7 +111,7 @@
     struct dirent *de;
     struct stat st;
     syncmsg msg;
-    int len;
+    unsigned int len;
 
     char tmp[1024 + 256 + 1];
     char *fname;