The flag for compiling test none/tests/ppc32/test_isa_2_07_part2.c was
incorrectly set to FLAG_M64 instead of FLAG_M32.  Fixed the flag.  The 
issue was reported in Bugzilla 324546.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13533 a5019735-40e9-0310-863c-91ae7b9d1cf9