[PATCH] fixup lfs mismatch in preload libraries

Ensure that the lfs variants are not transparently used instead of the !lfs
ones so both can be wrapped, independently of any custom CFLAGS/CPPFLAGS.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
---
 lib/libv4l1/v4l1compat.c  |    3 +++
 lib/libv4l2/v4l2convert.c |    3 +++
 2 files changed, 6 insertions(+)

Index: v4l-utils-0.8.5/lib/libv4l1/v4l1compat.c
===================================================================
--- v4l-utils-0.8.5.orig/lib/libv4l1/v4l1compat.c
+++ v4l-utils-0.8.5/lib/libv4l1/v4l1compat.c
@@ -19,6 +19,9 @@
 # Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
  */
 
+/* ensure we see *64 variants and they aren't transparently used */
+#undef _LARGEFILE_SOURCE
+#undef _FILE_OFFSET_BITS
 #define _LARGEFILE64_SOURCE 1
 
 #include <stdlib.h>
Index: v4l-utils-0.8.5/lib/libv4l2/v4l2convert.c
===================================================================
--- v4l-utils-0.8.5.orig/lib/libv4l2/v4l2convert.c
+++ v4l-utils-0.8.5/lib/libv4l2/v4l2convert.c
@@ -20,6 +20,9 @@
 # Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335  USA
 */
 
+/* ensure we see *64 variants and they aren't transparently used */
+#undef _LARGEFILE_SOURCE
+#undef _FILE_OFFSET_BITS
 #define _LARGEFILE64_SOURCE 1
 
 #include <stdarg.h>