Index: gkrellsun.c
--- gkrellsun.c.orig
+++ gkrellsun.c
@@ -17,7 +17,6 @@ time_t* CurrentTime;
 #include <math.h>
 
 /* splint */
-extern gchar* g_string_free (/*@only@*/ GString *, gboolean);
 extern void pango_font_description_free (/*@owned@*/PangoFontDescription *);
 
 #define PLUGIN_HEIGHT 54
@@ -910,13 +909,13 @@ static void show_moon_riseset_time(Sun *sun, gint offs
     rise += 0.5 / 60;
     set += 0.5 / 60;
 
-    if (abs(rise) > 24.0)
+    if (fabs(rise) > 24.0)
 	(void)g_string_append_printf(mboxes, "no rise ");
     else
 	(void)g_string_append_printf(mboxes, "%02d:%02d ", (gint)rise,
 	  (gint)(rise * 60) % 60);
 
-    if (abs(set) > 24.0)
+    if (fabs(set) > 24.0)
 	(void)g_string_append_printf(mboxes, "no set\n");
     else
 	(void)g_string_append_printf(mboxes, "%02d:%02d\n", (gint)set,
@@ -1388,8 +1387,8 @@ setTextColor_cb(/*@unused@*/GtkWidget *widget, /*@unus
    GdkColor color;
    gint response;
 
-   gint whichTime = (gint)data % 10;
-   gint whichSun = (gint)data / 10;
+   gint whichTime = (glong)data % 10;
+   gint whichSun = (glong)data / 10;
 
    w = gtk_color_selection_dialog_new(_("Pick a color"));
 
@@ -1459,8 +1458,8 @@ sun_create_tab(GtkWidget *tab_vbox)
    GtkWidget     *ll_vbox, *ll_frame;
    GtkWidget     *long_hbox, *lat_hbox;
    GtkWidget     *table1;
-   gint time;
-   guint sun;
+   glong time;
+   gulong sun;
    GtkWidget *font_button;
    guint x;
    GtkSizeGroup *ll_size_group;