[git commit] cp: placate gcc8

[Denys Vlasenko]

commit: https://git.busybox.net/busybox/commit/?id=d01c9aa7ca949220e76d28972359f97dd0b040b1
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 coreutils/cp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/coreutils/cp.c b/coreutils/cp.c
index ae60623d3..b26c0e954 100644
--- a/coreutils/cp.c
+++ b/coreutils/cp.c
@@ -114,7 +114,7 @@ int cp_main(int argc, char **argv)
 # endif
 	);
 # if ENABLE_FEATURE_CP_REFLINK
-	BUILD_BUG_ON(OPT_reflink != FILEUTILS_REFLINK);
+	BUILD_BUG_ON((int)OPT_reflink != (int)FILEUTILS_REFLINK);
 	if (flags & FILEUTILS_REFLINK) {
 		if (!reflink)
 			flags |= FILEUTILS_REFLINK_ALWAYS;