Prefetch backtrace so that it does not contain functions used to set the error

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 1 insertions, 0 deletions

diff --git a/putenv.c b/putenv.c
index b88b3cd..18cf2cf 100644
--- a/putenv.c
+++ b/putenv.c
@@ -22,6 +22,7 @@ liberror_putenv(char *string)
 		return 0;
 	}
 error:
+	liberror_save_backtrace(NULL);
 	liberror_set_error_errno(desc, "putenv", errno);
 	return -1;
 }