mesa: use correct return statement for a void function

Using return foo() is incorrect even if foo itself returns void.
Spotted by AppVeyor, as below:

teximage.c(3653) : warning C4098: 'copyteximage' : 'void' function returning a value

Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>

1 files changed, 4 insertions, 3 deletions

diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index bc3b76a926d..2dc657bcc34 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -3648,9 +3648,10 @@ copyteximage(struct gl_context *ctx, GLuint dims,
       if (texImage && can_avoid_reallocation(texImage, internalFormat, texFormat,
                                              x, y, width, height, border)) {
          _mesa_unlock_texture(ctx, texObj);
-         return _mesa_copy_texture_sub_image(ctx, dims, texObj, target, level,
-                                             0, 0, 0, x, y, width, height,
-                                             "CopyTexImage");
+         _mesa_copy_texture_sub_image(ctx, dims, texObj, target, level,
+                                      0, 0, 0, x, y, width, height,
+                                      "CopyTexImage");
+         return;
       }
    }
    _mesa_unlock_texture(ctx, texObj);