[gnome-builder] Update POTFILES.skip

[Piotr Drąg <piotrdrag src gnome org>]

commit cf9a6f9fa5633f4a378fcf623dabde91d6d73c8b
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Sep 2 04:30:44 2017 +0200

    Update POTFILES.skip

 po/POTFILES.skip |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index a69c6fa..182ce98 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -1,5 +1,6 @@
 # List of source files that should *not* be translated.
 # Please keep this file sorted alphabetically.
 data/org.gnome.Builder.desktop.in
+plugins/gdb/gdbwire.c
 plugins/vala-pack/ide-vala-preferences-addin.c
 subprojects