Removed unnecessary use of os.path.basename in get_version_from_file

which caused problems on windows. Thanks to Petr Marhoun
<petr.marhoun@gmail.com> for bug report and patch.

compress/utils.py

@@ -94,7 +94,7 @@ def get_version(source_files, verbosity=0):
     return version
     
 def get_version_from_file(path, filename):
-    regex = re.compile(r'^%s$' % (os.path.basename(get_output_filename(settings.COMPRESS_VERSION_PLACEHOLDER.join([re.escape(part) for part in filename.split(settings.COMPRESS_VERSION_PLACEHOLDER)]), r'([A-Za-z0-9]+)'))))
+    regex = re.compile(r'^%s$' % (get_output_filename(settings.COMPRESS_VERSION_PLACEHOLDER.join([re.escape(part) for part in filename.split(settings.COMPRESS_VERSION_PLACEHOLDER)]), r'([A-Za-z0-9]+)')))
     for f in os.listdir(path):
         result = regex.match(f)
         if result and result.groups():