AIX 5 needs same resultmap tweaks as AIX 4.

Author: tglsfdc

src/test/regress/resultmap

@@ -29,11 +29,13 @@ geometry/i.86-pc-cygwin=geometry-solaris-precision
 geometry/i.86-pc-solaris2.7=geometry-solaris-i386-pc
 geometry/powerpc-unknown-linux-gnu=geometry-powerpc-linux-gnulibc1
 geometry/powerpc.*-aix4=geometry-powerpc-aix4
+geometry/powerpc.*-aix5=geometry-powerpc-aix4
 geometry/sparc-sun-solaris=geometry-solaris-precision
 geometry/sparc.*-linux-gnu=geometry-solaris-precision
 geometry/alpha.*-linux-gnu=geometry-solaris-precision
 geometry/.*-beos=geometry-intel-beos
 horology/.*-aix4=horology-no-DST-before-1970
+horology/.*-aix5=horology-no-DST-before-1970
 horology/.*-irix6=horology-no-DST-before-1970
 horology/alpha.*-dec-osf=horology-solaris-1947
 horology/.*-cygwin=horology-no-DST-before-1970