renderer: fix export_texture
renderer: fix export_texture

eglCreateImage expects the attributes to be
of type EGLAttrib which is platform dependent
using EGLEnum types will populate
an array with the wrong type which causes
a segfault when calculating the attrib list len
in the mesa egl code

Smithay/smithay,Smithay/smithay,Smithay/smithay,Smithay/smithay