Aperture: Add comment above SAVE_LOCATION

Change-Id: I88966ba47401e70a0f2b2c66d5ed0fa69b80bee0
diff --git a/app/src/main/java/org/lineageos/aperture/SharedPreferencesExt.kt b/app/src/main/java/org/lineageos/aperture/SharedPreferencesExt.kt
index 2bfb780..0ca24a5 100644
--- a/app/src/main/java/org/lineageos/aperture/SharedPreferencesExt.kt
+++ b/app/src/main/java/org/lineageos/aperture/SharedPreferencesExt.kt
@@ -272,6 +272,7 @@
         }
     }
 
+// Save location
 private const val SAVE_LOCATION = "save_location"
 private const val SAVE_LOCATION_DEFAULT = false
 internal var SharedPreferences.saveLocation: Boolean