Fixed AstroBox upload type selection.

src/libslic3r/PrintConfig.cpp

@@ -1337,7 +1337,7 @@ void PrintConfigDef::init_fff_params()
     def->enum_labels.push_back("OctoPrint");
     def->enum_labels.push_back("Duet");
     def->enum_labels.push_back("FlashAir");
-    def->enum_values.push_back("AstroBox");
+    def->enum_labels.push_back("AstroBox");
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionEnum<PrintHostType>(htOctoPrint));