Fix Windows CI again

Author: jansvoboda11

clang/test/Modules/fmodules-validate-once-per-build-session.c

@@ -7,10 +7,10 @@
 
 // RUN: rm -rf %t
 // RUN: split-file %s %t
-// RUN: echo "-fsyntax-only -fmodules -fmodules-cache-path=%t/module-cache" > %t/ctx.rsp
-// RUN: echo "-fbuild-session-file=%/t/module-cache/session.timestamp"     >> %t/ctx.rsp
-// RUN: echo "-fmodules-validate-once-per-build-session"                   >> %t/ctx.rsp
-// RUN: echo "-Rmodule-build -Rmodule-validation"                          >> %t/ctx.rsp
+// RUN: echo "-fsyntax-only -fmodules -fmodules-cache-path=%/t/module-cache" > %t/ctx.rsp
+// RUN: echo "-fbuild-session-file=%/t/module-cache/session.timestamp"      >> %t/ctx.rsp
+// RUN: echo "-fmodules-validate-once-per-build-session"                    >> %t/ctx.rsp
+// RUN: echo "-Rmodule-build -Rmodule-validation"                           >> %t/ctx.rsp
 
 //--- include/foo.h
 //--- include/module.modulemap