[simple-scan/gnome-3-4: 8/25] Fix erroneous report about failing to set front ADF source

[Robert Ancell <rancell src gnome org>]

commit e619c3f83f43c07fc6cec09454f816e334bcbfc2
Author: Robert Ancell <robert ancell canonical com>
Date:   Fri Mar 22 09:33:59 2013 +1300

    Fix erroneous report about failing to set front ADF source

 src/scanner.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/scanner.vala b/src/scanner.vala
index 1ea6801..7af1269 100644
--- a/src/scanner.vala
+++ b/src/scanner.vala
@@ -872,7 +872,7 @@ public class Scanner
                     break;
                 case ScanType.ADF_FRONT:
                     if (!set_constrained_string_option (handle, option, index, adf_front_sources, null))
-                        if (!!set_constrained_string_option (handle, option, index, adf_sources, null))
+                        if (!set_constrained_string_option (handle, option, index, adf_sources, null))
                             warning ("Unable to set front ADF source, please file a bug");
                     break;
                 case ScanType.ADF_BACK: