Fix the return value of ast_agi_fdprintf() to include the result from ast_carefulwrite()

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@77792 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_agi.c

@@ -139,9 +139,7 @@ int ast_agi_fdprintf(int fd, char *fmt, ...)
 	if (agidebug)
 		ast_verbose("AGI Tx >> %s", buf->str);
 
-	ast_carefulwrite(fd, buf->str, buf->used, 100);
-
-	return res;
+	return ast_carefulwrite(fd, buf->str, buf->used, 100);
 }
 
 /* launch_netscript: The fastagi handler.