diff --git a/sys/libkern/gsb_crc32.c b/sys/libkern/gsb_crc32.c
--- a/sys/libkern/gsb_crc32.c
+++ b/sys/libkern/gsb_crc32.c
@@ -64,6 +64,9 @@
 #endif
 #endif /* _KERNEL */
 
+#ifndef _KERNEL
+static
+#endif
 const uint32_t crc32_tab[] = {
 	0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
 	0xe963a535, 0x9e6495a3,	0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,