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[PATCH] vcs_info: Prevent warn_create_global warning with '-preinit-' state

This is related to 33405. Turns out that not all other calls to
VCS_INFO_set are okay: With recent zsh versions the early call to that
function with the '-preinit-' argument causes a warning like this:

  VCS_INFO_set:9: math parameter maxexports created globally
                  in function VCS_INFO_set

This fixes it.
 Functions/VCS_Info/vcs_info | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Functions/VCS_Info/vcs_info b/Functions/VCS_Info/vcs_info
index 350b189..628dde9 100644
--- a/Functions/VCS_Info/vcs_info
+++ b/Functions/VCS_Info/vcs_info
@@ -11,6 +11,7 @@
 setopt localoptions noksharrays extendedglob NO_shwordsplit
 local file func sys
 local -a static_functions
+local -i maxexports
@@ -38,6 +39,7 @@ for func in ${static_functions} ; do
 [[ -n ${(Mk)parameters:#vcs_info_msg_<->_} ]] && unset ${parameters[(I)vcs_info_msg_<->_]}
 VCS_INFO_set --nvcs '-preinit-'

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