[PATCH] vcs_info hg: Keep $HGPLAIN set for hooks if it had been set outside vcs_info

[Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx>]

If someone does 'HGPLAIN=1 vcs_info', any vcs_info hooks should be called with
HGPLAIN set.  Declaring it 'local' broke that.
---
 Functions/VCS_Info/Backends/VCS_INFO_get_data_hg | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Functions/VCS_Info/Backends/VCS_INFO_get_data_hg b/Functions/VCS_Info/Backends/VCS_INFO_get_data_hg
index 2806aee1d..b123e2270 100644
--- a/Functions/VCS_Info/Backends/VCS_INFO_get_data_hg
+++ b/Functions/VCS_Info/Backends/VCS_INFO_get_data_hg
@@ -56,7 +56,6 @@ if zstyle -t ":vcs_info:${vcs}:${usercontext}:${rrn}" get-revision ; then
         zstyle -t ":vcs_info:${vcs}:${usercontext}:${rrn}" \
             "check-for-changes" || hgid_args+=( -r. )
 
-        local HGPLAIN
         HGPLAIN=1 ${vcs_comm[cmd]} ${(z)hgid_args} 2> /dev/null \
             | read -r r_csetid r_lrev
     fi