A cleanup patch from Jeff Garzik to static-ify a number of
namespace polluting things that really should be static.
diff --git a/util-linux/mkswap.c b/util-linux/mkswap.c
index b5153f6..f72c700 100644
--- a/util-linux/mkswap.c
+++ b/util-linux/mkswap.c
@@ -72,7 +72,7 @@
 static int pagesize;
 static int *signature_page;
 
-struct swap_header_v1 {
+static struct swap_header_v1 {
 	char bootbits[1024];		/* Space for disklabel etc. */
 	unsigned int version;
 	unsigned int last_page;