On *nix, a proper forward definition of docstring is necessary for

overriding a pure virtual method (part of bug #8032).
I wonder why it was working on Windows and why it works for QString.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40783 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/support/ProgressInterface.h b/src/support/ProgressInterface.h
index 79e2e8b0542972b4ca01bd9126141ceee6e733d9..1efb79a7e3b6296875311eea692fb27b82175218 100644 (file)
--- a/src/support/ProgressInterface.h
+++ b/src/support/ProgressInterface.h
@@ -12,7 +12,8 @@
 #ifndef LYX_SUPPORT_PROGRESSINTERFACE_H
 #define LYX_SUPPORT_PROGRESSINTERFACE_H
 
-class docstring;
+#include "support/strfwd.h"
+
 class QString;
 
 namespace lyx {