PackReverseIndex#findPosition: fix typo in method name

The package-private findPostion method has a type in it. The typo will
become more widespread when a file-based implementation class is
introduced.

Correct the spelling to findPosition before the file-based
implementation is introduced.

Change-Id: Ib285f5a3f9a333ace1782dae9b5d425505eb962a
Signed-off-by: Anna Papitto <annapapitto@google.com>
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackBitmapIndexV1.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackBitmapIndexV1.java
index 21aba3e..988dc6c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackBitmapIndexV1.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackBitmapIndexV1.java
@@ -220,7 +220,7 @@ public int findPosition(AnyObjectId objectId) {
 		long offset = packIndex.findOffset(objectId);
 		if (offset == -1)
 			return -1;
-		return reverseIndex.findPostion(offset);
+		return reverseIndex.findPosition(offset);
 	}
 
 	/** {@inheritDoc} */
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackReverseIndex.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackReverseIndex.java
index ee458e2..1a5adb4 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackReverseIndex.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackReverseIndex.java
@@ -158,7 +158,7 @@ public long findNextOffset(long offset, long maxOffset)
 		return index.getOffset(nth[ith + 1]);
 	}
 
-	int findPostion(long offset) {
+	int findPosition(long offset) {
 		return binarySearch(offset);
 	}