clang/test/Driver/modules-ts.cpp: Satisfy quoted filename.

On win32, backslashed filename is emitted like;

  -o "C:\\bb-win\\ninja-clang-i686-msc19-R\\build\\tools\\clang\\test\\Driver\\Output\\modules-ts.cpp.tmp.o"

llvm-svn: 280085

clang/test/Driver/modules-ts.cpp

@@ -23,7 +23,7 @@
 // CHECK-USE: -cc1
 // CHECK-USE-SAME: -emit-obj
 // CHECK-USE-SAME: -fmodule-file={{.*}}.pcm
-// CHECK-USE-SAME: -o {{.*}}.o {{.*}}-x c++
+// CHECK-USE-SAME: -o {{.*}}.o{{"?}} {{.*}}-x c++
 // CHECK-USE-SAME: modules-ts.cpp
 
 // Check combining precompile and compile steps works.