Fix comment for 31a5329d6d51

For mytracks_marker_item.xml, use eclipse to format the file to
remove the extra spaces.

MyTracks/proguard.cfg

@@ -35,7 +35,7 @@
 -keep public class * extends android.preference.Preference
 -keep public class com.android.vending.licensing.ILicensingService
 
--keepclasseswithmembes class * {
+-keepclasseswithmembers class * {
     native <methods>;
 }