(read_rc): Bugfix. linebuf must be freed

no matter was the string accepted or not.

@@ -624,11 +624,11 @@ read_rc (const char *progname, const char *name, const char *capa[],
 	    x_argv[x_argc++] = n_argv[i];
 	  
 	  free (n_argv);
+	}
       if (linebuf)
 	free (linebuf);
       linebuf = NULL;
     }
-    }
   fclose (fp);
   free(rcfile);