st/mesa: silence warning

diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index 15f84b6..ee71c01 100644 (file)
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -1047,7 +1047,8 @@ st_TexSubimage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
       _mesa_image_image_stride(packing, width, height, format, type);
    GLint i;
    const GLubyte *src;
-   enum pipe_transfer_usage transfer_usage;
+   /* init to silence warning only: */
+   enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE;
 
    DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
        _mesa_lookup_enum_by_nr(target),