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-rw-r--r--src/include/ipxe/uuid.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/include/ipxe/uuid.h b/src/include/ipxe/uuid.h
index 6c45eb9aa..24c46acaf 100644
--- a/src/include/ipxe/uuid.h
+++ b/src/include/ipxe/uuid.h
@@ -47,6 +47,6 @@ static inline void uuid_mangle ( union uuid *uuid ) {
__bswap_16s ( &uuid->canonical.c );
}
-extern char * uuid_ntoa ( const union uuid *uuid );
+extern const char * uuid_ntoa ( const union uuid *uuid );
#endif /* _IPXE_UUID_H */