[xen staging] tools/tests: don't pass -E to sed

[patchbot@xxxxxxx]

commit 8daabe4052a010035ab690a7b8bb392499452e4e
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Thu Oct 9 11:09:25 2025 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Oct 9 11:09:25 2025 +0200

    tools/tests: don't pass -E to sed
    
    Even the 2018 edition of The Open Group Base Specifications Issue 7 [1]
    doesn't name -E as a standard option; only Issue 8 [2] does. As there's
    nothing "extended" about the expression used, simply drop the -E.
    
    [1] https://pubs.opengroup.org/onlinepubs/9699919799/
    [2] https://pubs.opengroup.org/onlinepubs/9799919799/
    
    Fixes: cb50e4033717 ("test/pdx: add PDX compression unit tests")
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Oleksii Kurochko<oleksii.kurochko@xxxxxxxxx>
    Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Release-Acked-by: Oleksii Kurochko<oleksii.kurochko@xxxxxxxxx>
---
 tools/tests/pdx/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/tests/pdx/Makefile b/tools/tests/pdx/Makefile
index 10b354f0ce..3c431d7c78 100644
--- a/tools/tests/pdx/Makefile
+++ b/tools/tests/pdx/Makefile
@@ -35,7 +35,7 @@ uninstall:
        $(RM) -- $(patsubst %,$(DESTDIR)$(LIBEXEC)/tests/%,$(TARGETS))
 
 pdx.h: $(XEN_ROOT)/xen/include/xen/pdx.h
-       sed -E -e '/^#[[:space:]]*include/d' <$< >$@
+       sed -e '/^#[[:space:]]*include/d' <$< >$@
 
 CFLAGS += -D__XEN_TOOLS__
 CFLAGS += $(APPEND_CFLAGS)
--
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