On recent versions of Meson (0.47+) these are synonymous, but we still
support older versions than that, so let's use the correct syntax to
avoid confusing users of old Meson versions.
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Configure and build Mesa with something like:
<pre>
-meson builddir -Dosmesa=gallium -Dgallium-drivers=swrast -Ddri-drivers= -Dvulkan-drivers= -Dprefix=$PWD/builddir/install
+meson builddir -Dosmesa=gallium -Dgallium-drivers=swrast -Ddri-drivers=[] -Dvulkan-drivers=[] -Dprefix=$PWD/builddir/install
ninja -C builddir install
</pre>