[BasiliskII] Add mkdir obj to fix build failure on some systems

[Hans de Goede]

commit 125ce0dd0128291a9c6c19ce88befb31520bd2ec
Author: Hans de Goede <hdegoede at redhat.com>
Date:   Thu Jul 7 16:19:42 2016 +0200

    Add mkdir obj to fix build failure on some systems

 BasiliskII.spec | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/BasiliskII.spec b/BasiliskII.spec
index 7d85cd8..8c5df15 100644
--- a/BasiliskII.spec
+++ b/BasiliskII.spec
@@ -54,6 +54,7 @@ popd
 
 %build
 pushd %{name}/src/Unix
+mkdir obj
 %configure --datadir=%{_sysconfdir} \
     --disable-xf86-dga --enable-sdl-audio --with-bincue
 make %{?_smp_mflags}