Update build_loop.yml

error fix attempt LoopKit#1

Author: dgram00

.github/workflows/build_loop.yml

@@ -284,6 +284,7 @@ jobs:
           # and make sure to specify the submodule by setting "--directory=(submodule_name)".
           # Several patches may be added per submodule.
           # Adding comments (#) may be useful to easily tell the individual patches apart.
+          
 # The lines below add the customizations listed using the CustomizationSelect script
           # The "\" is a continuation character 
           #   the line following a "\" should not be blank