meson: Fix IGT_GIT_SHA1 handling

Tell meson about the dependency on version.h. Avoids the compiler
falling over on account of IGT_GIT_SHA1 not being there.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
1 file changed