remove useless if-before-free tests

* lib-src/ebrowse.c (xfree): Likewise.
* lib-src/etags.c (process_file_name, free_tree, free_fdesc): Likewise.
(popclass_above, Prolog_functions, Erlang_functions): Likewise.
* lib-src/pop.c (pop_quit): Likewise.
* lwlib/lwlib-Xm.c (xm_update_one_value): Likewise.
* lwlib/lwlib.c (safe_free_str, free_widget_value_tree): Likewise.
* src/editfns.c (Fset_time_zone_rule): Likewise.
* src/lread.c (nosuffix): Likewise.
* src/ralloc.c (get_bloc): Likewise.
* src/regex.c (reg_free): Likewise.
* src/xftfont.c (xftfont_open, xftfont_close): Likewise.
* src/xrdb.c (get_user_app, get_environ_db, x_load_resources): Likewise.
* src/xsmfns.c (smc_save_yourself_CB): Likewise.

1 files changed, 3 insertions, 6 deletions

diff --git a/lwlib/lwlib-Xm.c b/lwlib/lwlib-Xm.c
index 83df050b88e..7c91fe83e46 100644
--- a/lwlib/lwlib-Xm.c
+++ b/lwlib/lwlib-Xm.c
@@ -956,15 +956,13 @@ xm_update_one_value (instance, widget, val)
     }
   else if (class == xmTextWidgetClass)
     {
-      if (val->value)
-	free (val->value);
+      free (val->value);
       val->value = XmTextGetString (widget);
       val->edited = True;
     }
   else if (class == xmTextFieldWidgetClass)
     {
-      if (val->value)
-	free (val->value);
+      free (val->value);
       val->value = XmTextFieldGetString (widget);
       val->edited = True;
     }
@@ -989,8 +987,7 @@ xm_update_one_value (instance, widget, val)
 	      XtVaGetValues (toggle, XmNset, &set, NULL);
 	      if (set)
 		{
-		  if (val->value)
-		    free (val->value);
+		  free (val->value);
 		  val->value = safe_strdup (XtName (toggle));
 		}
 	    }