message: Fix a typo in x86-64-gp-write.test
  The test was building the wrong inferior, causing failures.
diff: # XFAIL: system-windows
  # REQUIRES: native && target-x86_64
  -# RUN: %clangxx -fomit-frame-pointer %p/Inputs/x86-64-gp-read.cpp -o %t
  +# RUN: %clangxx -fomit-frame-pointer %p/Inputs/x86-64-gp-write.cpp -o %t
  # RUN: %lldb -b -s %s %t | FileCheck %s
  process launch
  