git-compat-util.h: auto-adjust to compiler support of FLEX_ARRAY a bit better

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 51063776d2540ed4ad6537e3578916b40d46c81a..66c80d4e16e3217b93b9de12a4b02d107a2eeb71 100755 (executable)
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -13,6 +13,7 @@
 USAGE='(--continue | --abort | --skip | [--preserve-merges] [--verbose]
        [--onto <branch>] <upstream> [<branch>])'
 
+OPTIONS_SPEC=
 . git-sh-setup
 require_work_tree