Bug fix in the MATLAB interface for recent SPM standalones

In SPM12 standalone r6685 and above, the MATLAB function mfilename() is
overloaded and care must now be taken when calling it. This change is
backward compatible with older SPM versions.

Author: gllmflndn

nipype/interfaces/matlab.py

@@ -168,9 +168,9 @@ def _gen_matlab_command(self, argstr, script_lines):
         prescript = self.inputs.prescript
         postscript = self.inputs.postscript
 
-        # postcript takes different default value depending on the mfile argument
+        # prescript takes different default value depending on the mfile argument
         if mfile:
-            prescript.insert(0, "fprintf(1,'Executing %s at %s:\\n',mfilename,datestr(now));")
+            prescript.insert(0, "fprintf(1,'Executing %s at %s:\\n',mfilename(),datestr(now));")
         else:
             prescript.insert(0, "fprintf(1,'Executing code at %s:\\n',datestr(now));")
         for path in paths: