BY THE COURT:
Pursuant to the judgment of the Supreme Court of the United States dated June 26, 1979, - U.S. -, 99 S.Ct. 2689, 61 L.Ed.2d 433, reversing the judgment of this Court, 575 F.2d 509, our judgment heretofore entered in this cause is vacated and that of the United States District Court for the Northern District of Texas is AFFIRMED.