[OE-core] [denzil][PATCH 2/4] buildhistory_analysis: fix error when version specifier missing

[Paul Eggleton]

Passing None to split_versions() will raise an exception, so check that
the version is specified before passing it in.

Signed-off-by: Paul Eggleton <paul.eggleton at linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/lib/oe/buildhistory_analysis.py |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/lib/oe/buildhistory_analysis.py b/meta/lib/oe/buildhistory_analysis.py
index 313416c..29dc4a9 100644
--- a/meta/lib/oe/buildhistory_analysis.py
+++ b/meta/lib/oe/buildhistory_analysis.py
@@ -272,7 +272,7 @@ def compare_pkg_lists(astr, bstr):
         if k in depverb:
             dva = depvera[k]
             dvb = depverb[k]
-            if dva != dvb:
+            if dva and dvb and dva != dvb:
                 if bb.utils.vercmp(split_version(dva), split_version(dvb)) < 0:
                     remove.append(k)
 
-- 
1.7.9.5