Use entrySet() instead of keySet()

The value was accessed every time in the loop body with get(),
so use the more efficient entrySet().

Change-Id: I91d90cbd0b0d03ca4a3db986c58b8d80d80f40a4

org.eclipse.jgit/src/org/eclipse/jgit/api/MergeResult.java

@@ -169,8 +169,9 @@ public class MergeResult {
 		this.mergeStrategy = mergeStrategy;
 		this.description = description;
 		if (lowLevelResults != null)
-			for (String path : lowLevelResults.keySet())
-				addConflict(path, lowLevelResults.get(path));
+			for (Map.Entry<String, org.eclipse.jgit.merge.MergeResult<?>> result : lowLevelResults
+					.entrySet())
+				addConflict(result.getKey(), result.getValue());
 	}
 
 	/**