Fixed compilation problems when gnutls dev lib is not found

src/core/wee-command.c

@@ -27,6 +27,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
+#include <time.h>
 
 #include "weechat.h"
 #include "wee-command.h"

src/core/wee-config-file.c

@@ -28,6 +28,7 @@
 #include <stdarg.h>
 #include <string.h>
 #include <sys/stat.h>
+#include <time.h>
 
 #include "weechat.h"
 #include "wee-config-file.h"

src/core/wee-util.c

@@ -31,6 +31,7 @@
 #include <dirent.h>
 #include <signal.h>
 #include <ctype.h>
+#include <time.h>
 
 #include "weechat.h"
 #include "wee-util.h"

src/core/weechat.h

@@ -27,10 +27,6 @@
 #include <stdio.h>
 #include <sys/time.h>
 
-#ifdef HAVE_GNUTLS
-#include <gnutls/gnutls.h>
-#endif
-
 #include <locale.h>
 
 #if defined(ENABLE_NLS) && !defined(_)