[kvm-unit-tests RFC PATCH 10/17] shellcheck: Fix SC2013

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  SC2013 (info): To read lines rather than words, pipe/redirect to a
  'while read' loop.

Not a bug.

Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx>
 scripts/arch-run.bash | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/arch-run.bash b/scripts/arch-run.bash
index 9dc34a54a..e5750cb98 100644
--- a/scripts/arch-run.bash
+++ b/scripts/arch-run.bash
@@ -487,7 +487,7 @@ env_file ()
 	[ ! -f "$KVM_UNIT_TESTS_ENV_OLD" ] && return
-	for line in $(grep -E '^[[:blank:]]*[[:alpha:]_][[:alnum:]_]*=' "$KVM_UNIT_TESTS_ENV_OLD"); do
+	grep -E '^[[:blank:]]*[[:alpha:]_][[:alnum:]_]*=' "$KVM_UNIT_TESTS_ENV_OLD" | while IFS= read -r line ; do
 		if ! grep -q "^$var=" $KVM_UNIT_TESTS_ENV; then
 			eval export "$line"

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