tdf#43157: convert OS X fpicker codebase away from OSL_ASSERT to assert

Change-Id: I3e04db9ffb82f591dcff9b91eb915cf059a9b312

fpicker/source/aqua/resourceprovider.mm

@@ -131,7 +131,7 @@ public:
 
         try
         {
-            OSL_ASSERT( m_ResMgr && m_OtherResMgr );
+            assert( m_ResMgr && m_OtherResMgr );
 
             // translate the control id to a resource id
             sal_Int16 aResId = CtrlIdToResId( aId );