Use sys.prefix instead of sys.exec_prefix for python sbin programs.

configure.ac

@@ -250,6 +250,7 @@ if test "x$want_python" = "xyes"; then
 	pythondir=`echo ${pythondir} | sed -e 's,[$][{]prefix[}],${pyprefix},g'`
 	pyexecdir=`echo ${pyexecdir} | sed -e 's,[$][{]exec_prefix[}],${pyprefix},g'`
     fi
+    PYTHON_PREFIX=$($PYTHON -c 'import sys; print sys.prefix')
     PYTHON_EXEC_PREFIX=$($PYTHON -c 'import sys; print sys.exec_prefix')
 else
     # Namespace support requires Python support

daemon/Makefile.am

@@ -7,7 +7,7 @@
 # Makefile for building netns components.
 #
 
-PYSBINDIR	= ${PYTHON_EXEC_PREFIX}/sbin
+PYSBINDIR	= ${PYTHON_PREFIX}/sbin
 
 if WANT_NETNS
   SUBDIRS 	= src ns3