optimization: do not merge a cache against itself

During the process of saving a cache, it will be merged against the
version present in CacheCache if any. Quite often, the version in
CacheCache is the cache object itself, and a merge is attempted against
itself.

1 files changed, 3 insertions, 0 deletions

diff --git a/main/src/cgeo/geocaching/Geocache.java b/main/src/cgeo/geocaching/Geocache.java
index 6262792..d4114bd 100644
--- a/main/src/cgeo/geocaching/Geocache.java
+++ b/main/src/cgeo/geocaching/Geocache.java
@@ -198,6 +198,9 @@ public class Geocache implements ICache, IWaypoint {
         if (other == null) {
             return false;
         }
+        if (other == this) {
+            return true;
+        }
 
         updated = System.currentTimeMillis();
         // if parsed cache is not yet detailed and stored is, the information of