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)