Update to use bfg9000 v0.5 features

Author: jimporter

build.bfg

@@ -1,8 +1,6 @@
 # -*- python -*-
 
-from os.path import splitext
-
-bfg9000_required_version('>=0.4.0')
+bfg9000_required_version('>=0.5.0')
 project('bencode_hpp', version='0.2-dev')
 
 global_options([opts.std(argv.std)], lang='c++')
@@ -11,7 +9,7 @@ includes = header_directory('include', include='*.hpp')
 
 install(includes)
 
-test_files = find_files('test', '*.cpp')
+test_files = find_paths('test', '*.cpp')
 boost = boost_package(version='>=1.23')
 
 try:
@@ -20,7 +18,7 @@ try:
 
     for src in test_files:
         test(executable(
-            splitext(src)[0],
+            src.stripext().suffix,
             files=src,
             includes=includes,
             packages=[boost, libmettle]