arp-util installation failed with dependency errors.

Issue

• apr-util-1.2.7-11.el5 installation failed with following dependency error.

  libapr-1.so.0()(64bit) is needed by apr-util-1.2.7-7.el5_3.2.x86_64
          libpq.so.4()(64bit) is needed by apr-util-1.2.7-7.el5_3.2.x86_64