[master] fix for debian/freebsd unittest linker problem

src/lib/python/isc/__init__.py

@@ -1,4 +1,7 @@
-import isc.datasrc
+# On some systems, it appears the dynamic linker gets
+# confused if the order is not right here
+# There is probably a solution for this, but for now:
+# order is imporant here!
 import isc.cc
 import isc.config
-#import isc.dns
+import isc.datasrc