portability to non-glibc: don't use realpath(..., NULL)

it causes a NULL-dereference on some systems like Solaris 10.
* src/node_device/node_device_linux_sysfs.c. Include <stdlib.h>.
(get_sriov_function): Use canonicalize_file_name, not realpath.
* bootstrap (modules): Add canonicalize-lgpl.

1 files changed, 1 insertions, 0 deletions

diff --git a/bootstrap b/bootstrap
index aec5d0550..cc3c6ef39 100755
--- a/bootstrap
+++ b/bootstrap
@@ -68,6 +68,7 @@ modules='
 areadlink
 base64
 c-ctype
+canonicalize-lgpl
 close
 connect
 getaddrinfo