mesa: Silence unused parameter warnings in bufferobj.c

main/bufferobj.c: In function 'count_buffer_size':
main/bufferobj.c:520:26: warning: unused parameter 'key' [-Wunused-parameter]
 count_buffer_size(GLuint key, void *data, void *userData)
                          ^
main/bufferobj.c: In function 'flush_mapped_buffer_range_fallback':
main/bufferobj.c:740:56: warning: unused parameter 'index' [-Wunused-parameter]
                                    gl_map_buffer_index index)
                                                        ^

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

src/mesa/main/bufferobj.c

@@ -523,6 +523,7 @@ count_buffer_size(GLuint key, void *data, void *userData)
       (const struct gl_buffer_object *) data;
    GLuint *total = (GLuint *) userData;
 
+   (void) key;
    *total = *total + bufObj->Size;
 }
 
@@ -742,6 +743,7 @@ flush_mapped_buffer_range_fallback(struct gl_context *ctx,
    (void) offset;
    (void) length;
    (void) obj;
+   (void) index;
    /* no-op */
 }