update for Firefox 26 / Windows

Change-Id: I35630a2617339031d68fa8b1e8161f8cd5cfd2c1
diff --git a/xpcom/prebuilt/extension/lib/WINNT_x86-msvc/ff260/xpGwtDevPlugin.dll b/xpcom/prebuilt/extension/lib/WINNT_x86-msvc/ff260/xpGwtDevPlugin.dll
new file mode 100755
index 0000000..cdc5e4c
--- /dev/null
+++ b/xpcom/prebuilt/extension/lib/WINNT_x86-msvc/ff260/xpGwtDevPlugin.dll
Binary files differ