Fix channel bindings type signature

DirectXMan12 · DirectXMan12 · commit 88316765082c · 2015-02-12T22:15:21.000-05:00
Cython 0.22 didn't like that we didn't have the `except NULL`
clause on the `__cvalue__` method in `ChannelBindings` in the
.pxd file.  This adds the clause to the .pxd file.
diff --git a/gssapi/raw/chan_bindings.pxd b/gssapi/raw/chan_bindings.pxd
@@ -11,4 +11,4 @@ cdef class ChannelBindings:
 
     cdef public bytes application_data
 
-    cdef gss_channel_bindings_t __cvalue__(ChannelBindings self)
+    cdef gss_channel_bindings_t __cvalue__(ChannelBindings self) except NULL

Original file line number	Diff line number	Diff line change
`@@ -11,4 +11,4 @@ cdef class ChannelBindings:`
`11`	`11`
`12`	`12`	`cdef public bytes application_data`
`13`	`13`
`14`		`- cdef gss_channel_bindings_t __cvalue__(ChannelBindings self)`
	`14`	`+ cdef gss_channel_bindings_t __cvalue__(ChannelBindings self) except NULL`