Merge branch 'kb/config-unmap-before-renaming' into maint

"git config" failed to update the configuration file when the
underlying filesystem is incapable of renaming a file that is still
open.

* kb/config-unmap-before-renaming:
  config.c: fix writing config files on Windows network shares

1 files changed, 3 insertions, 0 deletions

diff --git a/config.c b/config.c
index 27a73c8500..69824ebddb 100644
--- a/config.c
+++ b/config.c
@@ -2116,6 +2116,9 @@ int git_config_set_multivar_in_file(const char *config_filename,
 					  contents_sz - copy_begin) <
 			    contents_sz - copy_begin)
 				goto write_err_out;
+
+		munmap(contents, contents_sz);
+		contents = NULL;
 	}
 
 	if (commit_lock_file(lock) < 0) {