1 files changed, 9 insertions, 7 deletions

diff --git a/src/lib/libcrypto/x509v3/v3_extku.c b/src/lib/libcrypto/x509v3/v3_extku.c
index c0d14500ed..1c66532757 100644
--- a/src/lib/libcrypto/x509v3/v3_extku.c
+++ b/src/lib/libcrypto/x509v3/v3_extku.c
@@ -63,9 +63,10 @@
 #include <openssl/conf.h>
 #include <openssl/x509v3.h>
 
-static void *v2i_EXTENDED_KEY_USAGE(X509V3_EXT_METHOD *method,
-                                X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
-static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(X509V3_EXT_METHOD *method,
+static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
+                                    X509V3_CTX *ctx,
+                                    STACK_OF(CONF_VALUE) *nval);
+static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
                 void *eku, STACK_OF(CONF_VALUE) *extlist);
 
 const X509V3_EXT_METHOD v3_ext_ku = {
@@ -97,8 +98,9 @@ ASN1_ITEM_TEMPLATE_END(EXTENDED_KEY_USAGE)
 
 IMPLEMENT_ASN1_FUNCTIONS(EXTENDED_KEY_USAGE)
 
-static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(X509V3_EXT_METHOD *method,
-                void *a, STACK_OF(CONF_VALUE) *ext_list)
+static STACK_OF(CONF_VALUE) *
+  i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, void *a,
+                         STACK_OF(CONF_VALUE) *ext_list)
 {
         EXTENDED_KEY_USAGE *eku = a;
         int i;
@@ -112,8 +114,8 @@ static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(X509V3_EXT_METHOD *method,
         return ext_list;
 }
 
-static void *v2i_EXTENDED_KEY_USAGE(X509V3_EXT_METHOD *method,
-                                X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
+static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
+                                    X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
 {
         EXTENDED_KEY_USAGE *extku;
         char *extval;