1 files changed, 3 insertions, 0 deletions
diff --git a/m_property.h b/m_property.h
index 7bf43289e9..375aea6cfa 100644
--- a/m_property.h
+++ b/m_property.h
@@ -169,6 +169,9 @@ int m_property_int_range(const m_option_t* prop,int action,
 int m_property_choice(const m_option_t* prop,int action,
                       void* arg,int* var);
 
+int m_property_flag_ro(const m_option_t* prop,int action,
+                    void* arg,int var);
+
 /// Switch betwen min and max.
 int m_property_flag(const m_option_t* prop,int action,
                     void* arg,int* var);