ZFS: band-aid for -DNO_CLEAN

Submitted by:	Neal Chauhan
Approved by:	imp@
Differential Revision:	https://reviews.freebsd.org/D26183

sys/cddl/contrib/opensolaris/common/lz4/lz4.c

@@ -44,6 +44,7 @@
 #include <sys/endian.h>
 #include <assert.h>
 
+#undef ASSERT
 #define	ASSERT	assert
 #else
 #include <string.h>
@@ -52,9 +53,10 @@
 #include <netinet/in.h>
 #include <assert.h>
 
+#undef ASSERT
 #define	ASSERT	assert
 #endif
-#include <lz4.h>
+#include "lz4.h"
 
 static int real_LZ4_compress(const char *source, char *dest, int isize,
     int osize);