generator.py: fix a couple of error msgs. ii.iclass-> self.iclass

   * intelxed#197

Change-Id: I6bdb6c48aa24a9e4660cae5008459488c41b8138
(cherry picked from commit 68888c8716a8084bf652072c85baa682cae53393)

Author: mjcharne

pysrc/generator.py

@@ -1315,7 +1315,7 @@ def read_structured_flexible(self,lines):
                   # extra pattern.
                   if len(self.extra_operands) == 0:
                      die("Need to have a PATTERN line before the " + 
-                         "OPERANDS line for " + ii.iclass)
+                         "OPERANDS line for " + self.iclass)
                   self.extra_operands[-1] = rest.split()
                else:
                   self.operands_input = rest.split()
@@ -1342,7 +1342,7 @@ def read_structured_flexible(self,lines):
                if filling_extra:
                   if len(self.extra_iforms_input) == 0:
                      die("Need to have a PATTERN line before " +
-                         "the IFORM line for " + ii.iclass)
+                         "the IFORM line for " + self.iclass)
                   self.extra_iforms_input[-1] = rest
                else:
                   self.iform_input = rest