Merge pull request #1664 from ThomasWaldmann/hashindex-api-version-bumo

Hashindex api version bump

borg/hashindex.pyx

@@ -4,7 +4,7 @@ import os
 cimport cython
 from libc.stdint cimport uint32_t, UINT32_MAX, uint64_t
 
-API_VERSION = 2
+API_VERSION = 3
 
 
 cdef extern from "_hashindex.c":

borg/helpers.py

@@ -80,7 +80,7 @@ class PlaceholderError(Error):
 
 def check_extension_modules():
     from . import platform
-    if hashindex.API_VERSION != 2:
+    if hashindex.API_VERSION != 3:
         raise ExtensionModuleError
     if chunker.API_VERSION != 2:
         raise ExtensionModuleError