use `sed -E -i.tmp` everywhere

POSIX is adding the -E flag to enable ERE behavior, and GNU/sed already
supports this, as do various BSD systems (including OS X).

While GNU makes the suffix to -i optional, POSIX/etc... do not, so make
sure we always specify it.

1 files changed, 1 insertions, 1 deletions

diff --git a/lddtree.sh b/lddtree.sh
index 8e6501f..96163e3 100755
--- a/lddtree.sh
+++ b/lddtree.sh
@@ -42,7 +42,7 @@ elf_specs() {
 	# LINUX and GNU are the same thing, as are NONE and SYSV, so normalize
 	# GNU & LINUX to NONE. #442024 #464380
 	scanelf -BF '#F%a %M %D %I' "$1" | \
-		sed -r 's: (LINUX|GNU)$: NONE:'
+		sed -E 's: (LINUX|GNU)$: NONE:'
 }
 
 lib_paths_fallback="${ROOT}lib* ${ROOT}usr/lib* ${ROOT}usr/local/lib*"