Corrected a bug where we tried to read more columns than mcd had

maca_common/src/word.c

@@ -74,7 +74,7 @@ word *word_parse_buffer(char *buffer, mcd *mcd_struct)
       w->U1 = isupper(token[0]) ? 1 : 0;
     }
     col++;
-  } while((token = strtok(NULL , "\t")));
+  } while((token = strtok(NULL , "\t")) && col < mcd_struct->nb_col);
 
   return w;
 }