add Detect narrow internal solid infill

src/libslic3r/PrintConfig.hpp

@@ -571,6 +571,8 @@ PRINT_CONFIG_CLASS_DEFINE(
     ((ConfigOptionBool,                thick_bridges))
     ((ConfigOptionFloat,               xy_size_compensation))
     ((ConfigOptionBool,                wipe_into_objects))
+    //w11
+    ((ConfigOptionBool,                detect_narrow_internal_solid_infill))
 )
 
 PRINT_CONFIG_CLASS_DEFINE(