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-rw-r--r--scripts/runtest.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/runtest.sh b/scripts/runtest.sh
index f0450bd9..3a5b09c6 100644
--- a/scripts/runtest.sh
+++ b/scripts/runtest.sh
@@ -125,7 +125,7 @@ testing()
DIFF="$(diff -au${NOSPACE:+b} expected actual)"
if [ ! -z "$DIFF" ]
then
- FAILCOUNT=$[$FAILCOUNT+1]
+ FAILCOUNT=$(($FAILCOUNT+1))
printf "%s\n" "$SHOWFAIL: $NAME"
if [ -n "$VERBOSE" ]
then