gallium/aux/cso_cache.c: Fix warnings

cso_cache.c: In Funktion »delete_blend_state«:
cso_cache.c:90:51: Warnung: unused parameter »data« [-Wunused-parameter]
 static void delete_blend_state(void *state, void *data)
                                                   ^~~~
cso_cache.c: In Funktion »delete_depth_stencil_state«:
cso_cache.c:98:59: Warnung: unused parameter »data« [-Wunused-parameter]
 static void delete_depth_stencil_state(void *state, void *data)
                                                           ^~~~
cso_cache.c: In Funktion »delete_sampler_state«:
cso_cache.c:106:53: Warnung: unused parameter »data« [-Wunused-
parameter]
 static void delete_sampler_state(void *state, void *data)
                                                     ^~~~
cso_cache.c: In Funktion »delete_rasterizer_state«:
cso_cache.c:114:56: Warnung: unused parameter »data« [-Wunused-
parameter]
 static void delete_rasterizer_state(void *state, void *data)
                                                        ^~~~
cso_cache.c: In Funktion »delete_velements«:
cso_cache.c:122:49: Warnung: unused parameter »data« [-Wunused-
parameter]
 static void delete_velements(void *state, void *data)
                                                 ^~~~
cso_cache.c: In Funktion »sanitize_cb«:
cso_cache.c:166:52: Warnung: unused parameter »user_data« [-Wunused-
parameter]
       ... int max_size, void *user_data)

cso_cache.c: In function 'delete_velements':
cso_cache.c:126:49: warning: unused parameter 'data' [-Wunused-
parameter]
 static void delete_velements(void *state, void *data)

v2: Replace VREND_UNUSED by UNUSED (Erik)

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Signed-off-by: Jakob Bornecrantz <jakob@collabora.com>

src/gallium/auxiliary/cso_cache/cso_cache.c

@@ -87,7 +87,7 @@ static inline struct cso_hash *_cso_hash_for_type(struct cso_cache *sc, enum cso
    return hash;
 }
 
-static void delete_blend_state(void *state, void *data)
+static void delete_blend_state(void *state, UNUSED void *data)
 {
    struct cso_blend *cso = (struct cso_blend *)state;
    if (cso->delete_state)
@@ -95,7 +95,7 @@ static void delete_blend_state(void *state, void *data)
    FREE(state);
 }
 
-static void delete_depth_stencil_state(void *state, void *data)
+static void delete_depth_stencil_state(void *state, UNUSED void *data)
 {
    struct cso_depth_stencil_alpha *cso = (struct cso_depth_stencil_alpha *)state;
    if (cso->delete_state)
@@ -103,7 +103,7 @@ static void delete_depth_stencil_state(void *state, void *data)
    FREE(state);
 }
 
-static void delete_sampler_state(void *state, void *data)
+static void delete_sampler_state(void *state, UNUSED void *data)
 {
    struct cso_sampler *cso = (struct cso_sampler *)state;
    if (cso->delete_state)
@@ -111,7 +111,7 @@ static void delete_sampler_state(void *state, void *data)
    FREE(state);
 }
 
-static void delete_rasterizer_state(void *state, void *data)
+static void delete_rasterizer_state(void *state, UNUSED void *data)
 {
    struct cso_rasterizer *cso = (struct cso_rasterizer *)state;
    if (cso->delete_state)
@@ -119,7 +119,7 @@ static void delete_rasterizer_state(void *state, void *data)
    FREE(state);
 }
 
-static void delete_velements(void *state, void *data)
+static void delete_velements(void *state, UNUSED void *data)
 {
    struct cso_velements *cso = (struct cso_velements *)state;
    if (cso->delete_state)
@@ -163,7 +163,7 @@ static inline void sanitize_hash(struct cso_cache *sc,
 
 
 static inline void sanitize_cb(struct cso_hash *hash, enum cso_cache_type type,
-                               int max_size, void *user_data)
+                               int max_size, UNUSED void *user_data)
 {
    /* if we're approach the maximum size, remove fourth of the entries
     * otherwise every subsequent call will go through the same */