Update libc++ install script to use new names
diff --git a/.travis-libcxx-setup.sh b/.travis-libcxx-setup.sh
index 0f8ecde..ac295a9 100644
--- a/.travis-libcxx-setup.sh
+++ b/.travis-libcxx-setup.sh
@@ -18,5 +18,5 @@
       -DLLVM_USE_SANITIZER=${LIBCXX_SANITIZER} \
       ../llvm-source
 make cxx -j2
-sudo make install-libcxxabi install-libcxx
+sudo make install-cxxabi install-cxx
 cd ../