File denemo-OBS.patch of Package denemo

diff -up denemo-2.4.0/src/printview/printview.c.orig denemo-2.4.0/src/printview/printview.c
--- denemo-2.4.0/src/printview/printview.c.orig	2020-03-09 17:56:15.000000000 +0100
+++ denemo-2.4.0/src/printview/printview.c	2020-05-17 18:54:55.216207058 +0200
@@ -1542,7 +1542,9 @@ static gboolean
 printarea_leave_notify (void)
 {
   show_tooltip (NULL, NULL, NULL);
+  return FALSE;
 }
+
 static gboolean
 printarea_motion_notify (G_GNUC_UNUSED GtkWidget * widget, GdkEventMotion * event)
 {
@@ -2551,6 +2553,7 @@ static gchar *create_new_condition (void
         Denemo.project->criteria = g_list_append (Denemo.project->criteria, condition);
         conditions_menu ();
       }
+    return NULL;
 }
 
 static GtkWidget *condition_button; 
diff -up denemo-2.4.0/src/scripting/scheme-callbacks.c.orig denemo-2.4.0/src/scripting/scheme-callbacks.c
--- denemo-2.4.0/src/scripting/scheme-callbacks.c.orig	2020-04-14 17:00:14.649876783 +0200
+++ denemo-2.4.0/src/scripting/scheme-callbacks.c	2020-05-17 18:49:35.536797417 +0200
@@ -4546,9 +4546,8 @@ scheme_get_keypress (SCM putback)
           g_free (str);
           return scm;
         }
-      else
-        return SCM_BOOL (FALSE);
     }
+    return SCM_BOOL (FALSE);
 }
 
 /* get last keypress that successfully invoked a command */
diff -up denemo-2.4.0/src/source/proof.c.orig denemo-2.4.0/src/source/proof.c
--- denemo-2.4.0/src/source/proof.c.orig	2020-03-09 17:56:15.000000000 +0100
+++ denemo-2.4.0/src/source/proof.c	2020-05-17 19:06:37.907505667 +0200
@@ -493,9 +493,9 @@ get_view (gchar * filename)
       }
     else {
       warningdialog (_("This PDF file contains no annotations. It has to be a PDF file generated by Denemo for the current score to which annotations have been added."));
-      return NULL;
     }
   }
+  return NULL;
 }
 
 gboolean
diff -up denemo-2.4.0/src/ui/mousing.c.orig denemo-2.4.0/src/ui/mousing.c
--- denemo-2.4.0/src/ui/mousing.c.orig	2020-03-09 17:56:15.676378192 +0100
+++ denemo-2.4.0/src/ui/mousing.c	2020-05-17 18:49:35.536797417 +0200
@@ -917,6 +917,7 @@ gboolean activate_right_click (gint stat
             call_out_to_guile ("(d-EditSimilar 'once)");
             return TRUE;
         }
+    return FALSE;
     }
 /**
  * Mouse button press callback
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