[regress/agent-ptrace.sh] sh doesn't like "if ! shell_function; then".

1 files changed, 3 insertions, 1 deletions

diff --git a/regress/agent-ptrace.sh b/regress/agent-ptrace.sh
index b9d86a29d..cd9c0023d 100644
--- a/regress/agent-ptrace.sh
+++ b/regress/agent-ptrace.sh
@@ -12,7 +12,9 @@ if have_prog uname ; then
         esac
 fi
 
-if ! have_prog gdb ; then
+if have_prog gdb ; then
+        : ok
+else
         echo "skipped (gdb not found)"
         exit 0
 fi