[gnome-panel] clock: fix 'comparison between signed and unsigned integer' warnings

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 6902d88946baf5d1b5cf87a7ee694fa7a8d87e39
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Oct 30 20:21:42 2016 +0200

    clock: fix 'comparison between signed and unsigned integer' warnings

 applets/clock/calendar-client.c |   32 ++++++++++++++++----------------
 applets/clock/calendar-window.c |    8 ++++----
 2 files changed, 20 insertions(+), 20 deletions(-)
---
diff --git a/applets/clock/calendar-client.c b/applets/clock/calendar-client.c
index 2b07d82..056fe62 100644
--- a/applets/clock/calendar-client.c
+++ b/applets/clock/calendar-client.c
@@ -397,9 +397,9 @@ calendar_client_init (CalendarClient *client)
                                                     G_CALLBACK (calendar_client_timezone_changed_cb),
                                                     client);
 
-  client->priv->day   = -1;
-  client->priv->month = -1;
-  client->priv->year  = -1;
+  client->priv->day = 0;
+  client->priv->month = 0;
+  client->priv->year = 0;
 }
 
 static void
@@ -1404,9 +1404,10 @@ check_object_remove (gpointer key,
                      gpointer value,
                      gpointer data)
 {
-  char             *uid = data;
-  ssize_t           len;
+  char *uid;
+  size_t len;
 
+  uid = data;
   len = strlen (uid);
   
   if (len <= strlen (key) && strncmp (uid, key, len) == 0)
@@ -1442,7 +1443,7 @@ calendar_client_handle_objects_removed (CalendarClientSource *source,
 
       if (!id->rid || !(*id->rid))
        {
-         int size = g_hash_table_size (query->events);
+         guint size = g_hash_table_size (query->events);
 
          g_hash_table_foreach_remove (query->events, check_object_remove, id->uid);
 
@@ -1562,8 +1563,7 @@ calendar_client_update_appointments (CalendarClient *client)
   char   *month_begin;
   char   *month_end;
 
-  if (client->priv->month == -1 ||
-      client->priv->year  == -1)
+  if (client->priv->month == 0 || client->priv->year == 0)
     return;
 
   month_begin = make_isodate_for_day_begin (1,
@@ -1612,9 +1612,9 @@ calendar_client_update_tasks (CalendarClient *client)
   char   *day_begin;
   char   *day_end;
 
-  if (client->priv->day   == -1 ||
-      client->priv->month == -1 ||
-      client->priv->year  == -1)
+  if (client->priv->day == 0 ||
+      client->priv->month == 0 ||
+      client->priv->year == 0)
     return;
 
   day_begin = make_isodate_for_day_begin (client->priv->day,
@@ -1979,9 +1979,9 @@ calendar_client_get_events (CalendarClient    *client,
   time_t  day_end;
 
   g_return_val_if_fail (CALENDAR_IS_CLIENT (client), NULL);
-  g_return_val_if_fail (client->priv->day   != -1 &&
-                       client->priv->month != -1 &&
-                       client->priv->year  != -1, NULL);
+  g_return_val_if_fail (client->priv->day != 0, NULL);
+  g_return_val_if_fail (client->priv->month != 0, NULL);
+  g_return_val_if_fail (client->priv->year != 0, NULL);
 
   day_begin = make_time_for_day_begin (client->priv->day,
                                       client->priv->month,
@@ -2036,8 +2036,8 @@ calendar_client_foreach_appointment_day (CalendarClient  *client,
 
   g_return_if_fail (CALENDAR_IS_CLIENT (client));
   g_return_if_fail (iter_func != NULL);
-  g_return_if_fail (client->priv->month != -1 &&
-                   client->priv->year  != -1);
+  g_return_if_fail (client->priv->month != 0);
+  g_return_if_fail (client->priv->year != 0);
 
   month_begin = make_time_for_day_begin (1,
                                         client->priv->month,
diff --git a/applets/clock/calendar-window.c b/applets/clock/calendar-window.c
index 8b158f0..61c89f1 100644
--- a/applets/clock/calendar-window.c
+++ b/applets/clock/calendar-window.c
@@ -242,10 +242,10 @@ enum {
 
 static char *
 format_time (GDesktopClockFormat format,
-             time_t      t,
-             guint       year,
-             guint       month,
-             guint       day)
+             time_t              t,
+             gint                year,
+             gint                month,
+             gint                day)
 {
         struct tm *tm;
         char      *time_format;