Add Python 2.6 support.

Author: charz

Diff for: src/testlink/testlinkapigeneric.py

@@ -1026,7 +1026,12 @@ def _convertPostionalArgs(self, methodName, valueList):
             (methodName, length_NameList, length_ValueList)
             new_msg = '%s\n expected args: %s' % (new_msg, ', '.join(nameList))
             raise testlinkerrors.TLArgError(new_msg)
-        return {nameList[x] : valueList[x] for x in range(len(nameList)) }
+
+        ret = {}
+        for x in range(len(nameList)):
+            ret.update({nameList[x] : valueList[x] })
+
+        return ret
 
     def _getAttachmentArgs(self, attachmentfile):
         """ returns dictionary with key/value pairs needed, to transfer