commitVersion(): A rare circumstance was causing versions to be only

partially committed.  If an object is stored more than once in a
version during a single transaction (which is borderline behavior anyway)
and that object has been modified for the first time in the version,
the old logic would stop prematurely.

src/ZODB/FileStorage.py

@@ -184,7 +184,7 @@
 #   may have a back pointer to a version record or to a non-version
 #   record.
 #
-__version__='$Revision: 1.58 $'[11:-2]
+__version__='$Revision: 1.59 $'[11:-2]
 
 import struct, time, os, bpthread, string, base64, sys
 from struct import pack, unpack
@@ -513,8 +513,6 @@ class FileStorage(BaseStorage.BaseStorage,
                     write(abort and pnv or spos) # data backpointer to src data
                     here=here+heredelta
 
-                    if h[16:24] != pnv:
-                        # This is not the first current record, so mark it
                     current_oids[oid]=1
 
                 else: