fix typos ("log.warn" => "LOG.warning" => "log.warning")

gramps/plugins/export/exportpkg.py

@@ -175,7 +175,7 @@ class PackageWriter:
         try:
             archive = tarfile.open(self.filename,'w:gz')
         except EnvironmentError as msg:
-            LOG.warning(str(msg))
+            log.warning(str(msg))
             self.user.notify_error(_('Failure writing %s') % self.filename, str(msg))
             return 0
 

gramps/plugins/lib/libcairodoc.py

@@ -1394,7 +1394,7 @@ class CairoDoc(BaseDoc, TextDoc, DrawDoc):
         elif fe[-1] != self.EXT:
             # NOTE: the warning will be bogus
             # if the EXT isn't properly overridden by derived class
-            LOG.warning(_(
+            log.warning(_(
 """Mismatch between selected extension %(ext)s and actual format.
  Writing to %(filename)s in format %(impliedext)s.""") %
                 {'ext' : fe[-1],