Replace "if (x) free (x)" with "free (x)", gprof

* utils.c (print_name_only): Free demangled without checking
	first for non-NULL.

gprof/ChangeLog

@@ -1,3 +1,8 @@
+2020-05-21  Alan Modra  <amodra@gmail.com>
+
+	* utils.c (print_name_only): Free demangled without checking
+	first for non-NULL.
+
 2020-05-18  Nick Clifton  <nickc@redhat.com>
 
 	* po/es.po: Update Spanish translation.

gprof/utils.c

@@ -85,10 +85,7 @@ print_name_only (Sym *self)
 	  printf ("%s", buf);
 	  size += strlen (buf);
 	}
-      if (demangled)
-	{
-	  free (demangled);
-	}
+      free (demangled);
       DBG (DFNDEBUG, printf ("{%d} ", self->cg.top_order));
       DBG (PROPDEBUG, printf ("%4.0f%% ", 100.0 * self->cg.prop.fract));
     }