Fix build failure on Ubuntu.

diff --git a/libarchive/archive_read_support_format_warc.c b/libarchive/archive_read_support_format_warc.c
index cfedb3b2d5099978dbc31e18ef8ea9f1236a3cf6..8cafb054eb6dadba2081a67eeb78ddc883d2c8fa 100644 (file)
--- a/libarchive/archive_read_support_format_warc.c
+++ b/libarchive/archive_read_support_format_warc.c
@@ -293,6 +293,7 @@ start_over:
        /* and let future calls know about the content */
        w->cntlen = cntlen;
        w->cntoff = 0U;
+       mtime = 0;/* Avoid compiling error on some platform. */
 
        switch (ftyp) {
        case WT_RSRC: