fixed handling of SANE_CAP_ALWAYS_SETTABLE existence in gsg_set_sensitivity()

- when SANE_CAP_ALWAYS_SETTABLE doesn't exit, let gsg_set_sensitivity()
  call gtk_widget_set_sensitive()

Changelog

@@ -1,3 +1,7 @@
+2009-06-24 Stéphane Voltz <stef.dev@free.fr>
+	* src/gtkglue.c: fixed handling of SANE_CAP_ALWAYS_SETTABLE existence
+	  in gsg_set_sensitivity()
+
 2008-09-23 Stéphane Voltz <stef.dev@free.fr>
 	* src/progress.c src/progress.h: add an estimated time remaining
 	  on the progress window, based on a patch by Jonas Berlin 

src/gtkglue.c

@@ -1478,6 +1478,8 @@ gsg_set_sensitivity (GSGDialog * dialog, int sensitive)
 #ifdef SANE_CAP_ALWAYS_SETTABLE
       if (!(opt->cap & SANE_CAP_ALWAYS_SETTABLE))
 	gtk_widget_set_sensitive (dialog->element[i].widget, sensitive);
+#else
+      gtk_widget_set_sensitive (dialog->element[i].widget, sensitive);
 #endif
     }
 }