Connected the painter stuff to the temporary font lock work-around.

This seem to enhance the stability of the app_server by a magnitude (at least I can
now run apps like Installer and Media without an instant crash).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14549 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/servers/app/ServerFont.h

@@ -140,6 +140,9 @@ class ServerFont {
 
 			float				StringWidth(const char* string, int32 numBytes) const;
 
+			bool				Lock() const { return fStyle->Lock(); }
+			void				Unlock() const { fStyle->Unlock(); }
+
 			FT_Face				GetFTFace() const
 									{ return fStyle->GetFTFace(); };