Use gtk_internal_return_val_if_fail here
authorMatthias Clasen <mclasen@redhat.com>
Wed, 11 Jan 2017 00:47:58 +0000 (19:47 -0500)
committerMatthias Clasen <mclasen@redhat.com>
Wed, 11 Jan 2017 00:56:09 +0000 (19:56 -0500)
commitecd0ce3993c3b821df9fe11e136d787a6be3e3e2
tree461bd99b100ee8a124ab23ecc3282d2304792566
parenta013a16d1ceab34927a81f7f380823cf6bb4b72a
Use gtk_internal_return_val_if_fail here

It seems odd to have checks in just a few functions,
so switch everything over to use the internal versions.
gtk/gtkcssgadget.c