webrtc/base: removes accidental #error in r6909.

BUG=N/A
R=turaj@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/13269004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@6924 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/base/windowpickerfactory.h b/base/windowpickerfactory.h
index 7de107e..dec3a33 100644
--- a/base/windowpickerfactory.h
+++ b/base/windowpickerfactory.h
@@ -40,7 +40,6 @@
     return new MacWindowPicker();
 #elif defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID) && defined(HAVE_X11)
     return new X11WindowPicker();
-#error
 #else
     return NULL;
 #endif