[libc++] Quote path to the Python executable in ShTest

This is an attempt to unbreak this test on Windows, where paths contain
backslashes that are interpreted as escape characters unless quoted.

diff --git a/libcxx/test/libcxx/selftest/dsl/dsl.sh.py b/libcxx/test/libcxx/selftest/dsl/dsl.sh.py
index 8a2f9e2..42d7a3a 100644 (file)
--- a/libcxx/test/libcxx/selftest/dsl/dsl.sh.py
+++ b/libcxx/test/libcxx/selftest/dsl/dsl.sh.py
@@ -5,11 +5,11 @@
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 #
 #===----------------------------------------------------------------------===##
-# RUN: %{python} %s '%S' '%T' '%{escaped_exec}' \
-# RUN:                        '%{escaped_cxx}' \
-# RUN:                        '%{escaped_flags}' \
-# RUN:                        '%{escaped_compile_flags}' \
-# RUN:                        '%{escaped_link_flags}'
+# RUN: "%{python}" '%s' '%S' '%T' '%{escaped_exec}' \
+# RUN:                            '%{escaped_cxx}' \
+# RUN:                            '%{escaped_flags}' \
+# RUN:                            '%{escaped_compile_flags}' \
+# RUN:                            '%{escaped_link_flags}'
 # END.
 
 import base64