Bug 1176642 - Import proper mozinfo package; r=me

bf34d16b6ab2 added absolute_import to this file. When changed, "import
mozinfo" stopped picking up mozbuild.mozinfo and started importing
mozinfo instead.

Use relative imports to force mozbuild.mozinfo to be picked up.

--HG--
extra : commitid : 4GC5lJWrBFq
extra : rebase_source : c91674b16f29dadf8dcda460787ea94654f2864a

python/mozbuild/mozbuild/base.py

@@ -277,7 +277,7 @@ class MozbuildObject(ProcessExecutionMixin):
 
     @property
     def bindir(self):
-        import mozinfo
+        from . import mozinfo
         if mozinfo.os == "mac":
             return os.path.join(self.topobjdir, 'dist', self.substs['MOZ_MACBUNDLE_NAME'], 'Contents', 'Resources')
         return os.path.join(self.topobjdir, 'dist', 'bin')