File geda-gaf-fix-uninitialized-variable.patch of Package geda-gaf

diff -up geda-gaf-1.10.0/contrib/gmk_sym/convert_sym.c.aaaa geda-gaf-1.10.0/contrib/gmk_sym/convert_sym.c
--- geda-gaf-1.10.0/contrib/gmk_sym/convert_sym.c.aaaa	2019-10-08 16:54:21.000000000 +0200
+++ geda-gaf-1.10.0/contrib/gmk_sym/convert_sym.c	2020-02-26 14:28:48.223952867 +0100
@@ -1510,6 +1510,7 @@ do_instance(FILE *fp)
    *  I #instance LIB:NAME #PAGE #X #Y #ROTATION #MAGNIFICATION '
    */
 
+  mirror = 0;
   text[0] = 0;
   lib[0] = 0;
   name[0] = 0;
diff -up geda-gaf-1.10.0/gattrib/src/gtksheet_2_2.c.aaaa geda-gaf-1.10.0/gattrib/src/gtksheet_2_2.c
--- geda-gaf-1.10.0/gattrib/src/gtksheet_2_2.c.aaaa	2020-02-26 13:26:16.619008214 +0100
+++ geda-gaf-1.10.0/gattrib/src/gtksheet_2_2.c	2020-02-26 13:28:49.741544951 +0100
@@ -8418,6 +8418,9 @@ gtk_sheet_position_child(GtkSheet *sheet
    gint yoffset = 0;
    GdkRectangle area;
 
+// avoid build fail due to possibly uninitialized variables
+   area.y = area.x = 0;
+
    gtk_widget_get_child_requisition(child->widget, &child_requisition);
 
    if(sheet->column_titles_visible) 
diff -up geda-gaf-1.10.0/gschem/src/gschem_page_view.c.aaaa geda-gaf-1.10.0/gschem/src/gschem_page_view.c
--- geda-gaf-1.10.0/gschem/src/gschem_page_view.c.aaaa	2020-10-19 01:31:05.126318524 +0200
+++ geda-gaf-1.10.0/gschem/src/gschem_page_view.c	2020-10-19 01:31:31.000241957 +0200
@@ -583,10 +583,10 @@ gschem_page_view_invalidate_screen_rect
 void
 gschem_page_view_invalidate_world_rect (GschemPageView *view, int left, int top, int right, int bottom)
 {
-  int screen_bottom;
-  int screen_right;
-  int screen_left;
-  int screen_top;
+  int screen_bottom = 0;
+  int screen_right = 0;
+  int screen_left = 0;
+  int screen_top = 0;
 
   g_return_if_fail (view != NULL);