Fixup for bug 754625. r=ted

xpcom/idl-parser/header.py

@@ -505,8 +505,9 @@ if __name__ == '__main__':
             print >>sys.stderr, "--regen useless without --cachedir"
         # Delete the lex/yacc files.  Ply is too stupid to regenerate them
         # properly
-        for filename in [os.path.join(options.cachedir, f) for f in ["xpidllex.py", "xpidlyacc.py"]]:
-            os.remove(filename)
+        for fileglobs in [os.path.join(options.cachedir, f) for f in ["xpidllex.py*", "xpidlyacc.py*"]]:
+            for filename in glob.glob(fileglobs):
+                os.remove(filename)
 
     # Instantiate the parser.
     p = xpidl.IDLParser(outputdir=options.cachedir)