bitbake: fetch2/gcp: Add missing runfetchcmd import

This adds the missing import. This bug was introduced with 1ab1d36c.

(Bitbake rev: 97ffe14311407f6e705ec24b70870ab32f0637b9)

Signed-off-by: Sven Schwermer <sven.schwermer@disruptive-technologies.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/fetch2/gcp.py

@@ -23,6 +23,7 @@ import urllib.parse, urllib.error
 from bb.fetch2 import FetchMethod
 from bb.fetch2 import FetchError
 from bb.fetch2 import logger
+from bb.fetch2 import runfetchcmd
 
 class GCP(FetchMethod):
     """