build: Fix compatibility with Python 3

Change-Id: I7a1b98c38c2ed3a147c7b0e6c7b79d2723f2a3ba
Refs: #3493

.waf-tools/doxygen.py

@@ -85,7 +85,7 @@ class doxygen(Task.Task):
 
 			# Override with any parameters passed to the task generator
 			if getattr(self.generator, 'pars', None):
-				for k, v in self.generator.pars.iteritems():
+				for k, v in self.generator.pars.items():
 					self.pars[k] = v
 
 			self.doxy_inputs = getattr(self, 'doxy_inputs', [])

tests/other/wscript

@@ -27,7 +27,7 @@ NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
 top = '../..'
 
 def build(bld):
-   for module, name in {"cs-benchmark": "CS Benchmark"}.iteritems():
+   for module, name in {"cs-benchmark": "CS Benchmark"}.items():
        # main()
        bld(target='unit-tests-%s-main' % module,
            name='unit-tests-%s-main' % module,

tests/wscript

@@ -42,7 +42,7 @@ def build(bld):
 
         for module, name in {"core": "NFD Core Tests",
                              "daemon": "NFD Daemon Tests",
-                             "rib": "NFD RIB Tests"}.iteritems():
+                             "rib": "NFD RIB Tests"}.items():
             # main()
             bld(target='unit-tests-%s-main' % module,
                 name='unit-tests-%s-main' % module,