build: add waf-tool to simplify building with AddressSanitizer & friends

Change-Id: If36e52f5e49d94ad5846165c50504d06d7d3c4d0
Refs: #2589
diff --git a/tools/peek/wscript b/tools/peek/wscript
index 99b874e..45679a2 100644
--- a/tools/peek/wscript
+++ b/tools/peek/wscript
@@ -6,12 +6,10 @@
         features='cxx',
         target='../../bin/ndnpeek',
         source='ndn-peek.cpp',
-        use='core-objects',
-        )
+        use='core-objects')
 
     bld.program(
         features='cxx',
         target='../../bin/ndnpoke',
         source='ndn-poke.cpp',
-        use='core-objects',
-        )
+        use='core-objects')