classes/lib: Update to match python3 iter requirements

python3 standardises its use of iteration operations. Update
the code to match the for python3 requires.

(From OE-Core rev: 2476bdcbef591e951d11d57d53f1315848758571)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/meta/classes/buildhistory.bbclass b/meta/classes/buildhistory.bbclass
index e3b5c44a09..cc233b5130 100644
--- a/meta/classes/buildhistory.bbclass
+++ b/meta/classes/buildhistory.bbclass
@@ -838,7 +838,7 @@ python write_srcrev() {
                         f.write('# SRCREV_%s = "%s"\n' % (name, orig_srcrev))
                     f.write('SRCREV_%s = "%s"\n' % (name, srcrev))
             else:
-                f.write('SRCREV = "%s"\n' % srcrevs.itervalues().next())
+                f.write('SRCREV = "%s"\n' % srcrevs.values())
             if len(tag_srcrevs) > 0:
                 for name, srcrev in tag_srcrevs.items():
                     f.write('# tag_%s = "%s"\n' % (name, srcrev))