fixed a bug in maca_common/src/word.c for a proper treatment of columns with _...

fixed a bug in maca_common/src/word.c for a proper treatment of columns with _ character in mcd files

maca_common/src/word.c

@@ -59,7 +59,8 @@ word *word_parse_buffer(char *buffer, mcd *mcd_struct)
   w = word_new(buffer);
   token = strtok(buffer, "\t");
   do{
-    if((col < mcd_struct->nb_col) &&  (mcd_struct->wf[col] != -1) && (strcmp(token, "_"))){
+    /* if((col < mcd_struct->nb_col) &&  (mcd_struct->wf[col] != -1) && (strcmp(token, "_"))){ */
+    if((col < mcd_struct->nb_col) &&  (mcd_struct->wf[col] != -1)){
       w->wf_array[mcd_struct->wf[col]] = mcd_get_code(mcd_struct, token, col);
     }
     if(mcd_struct->wf[col] == MCD_WF_FORM){