Commit ffc49e57 broke syntax-check:

  cppi: libvirt.spec.in: line 622: not properly indented
  cppi: libvirt.spec.in: line 624: not properly indented
  cppi: libvirt.spec.in: line 640: not properly indented
  cppi: libvirt.spec.in: line 642: not properly indented
  maint.mk: incorrect preprocessor indentation
  cfg.mk:697: recipe for target 'sc_spec_indentation' failed

Indent the new conditionals properly.

(cherry picked from commit 55d8daa0)