[PowerPC] Fix lvsr.c and lvsl.c tests

The new Altivec tests I added to projects/test-suite yesterday
contained incorrect checking of the results.  I apparently checked the
wrong log file during testing and missed this.  /shamefaced

Now the tests actually work...


git-svn-id: https://llvm.org/svn/llvm-project/test-suite/trunk@219205 91177308-0d34-0410-b5e6-96231b3b80d8