Fixed some compilation errors

interface.c

 #define _GNU_SOURCE 
-#include <readline/readline.h>
-#include <readline/history.h>
-
 #include <assert.h>
 #include <stdio.h>
 #include <stdarg.h>
 #include <stdlib.h>
 #include <string.h>
+
+#include <readline/readline.h>
+#include <readline/history.h>
+
 #include "include.h"
 #include "queries.h"
 

mtproto-client.c

@@ -860,7 +860,8 @@ void work_packed (struct connection *c, long long msg_id) {
   char *s = fetch_str (l);
   size_t dl = MAX_PACKED_SIZE;
 
-  z_stream strm = {0};
+  z_stream strm;
+  memset (&strm, 0, sizeof (strm));
   assert (inflateInit2 (&strm, 16 + MAX_WBITS) == Z_OK);
   strm.avail_in = l;
   strm.next_in = (void *)s;

queries.c

@@ -123,7 +123,8 @@ void query_result (long long id UU) {
     char *s = fetch_str (l);
     size_t dl = MAX_PACKED_SIZE;
 
-    z_stream strm = {0};
+    z_stream strm;
+    memset (&strm, 0, sizeof (strm));
     assert (inflateInit2 (&strm, 16 + MAX_WBITS) == Z_OK);
     strm.avail_in = l;
     strm.next_in = (void *)s;