bitbake: fetch/git: fix FetchError reference

FetchError isn't defined, use bb.fetch2.FetchError in this context.

(Bitbake rev: 945fa980e027753df2c21d84eb63dcaddb2caaee)

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/fetch2/git.py

@@ -484,5 +484,5 @@ class Git(FetchMethod):
         try:
             self._lsremote(ud, d, "")
             return True
-        except FetchError:
+        except bb.fetch2.FetchError:
             return False