[R/el6] mk docdir before using

[Tom Callaway]

commit a880d4def6447bbe30fb6dd795aa02c20157fabf
Author: Tom Callaway <spot at fedoraproject.org>
Date:   Tue Apr 29 15:01:32 2014 -0400

    mk docdir before using

 R.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/R.spec b/R.spec
index d91e68a..550f15d 100644
--- a/R.spec
+++ b/R.spec
@@ -397,6 +397,7 @@ make DESTDIR=${RPM_BUILD_ROOT} install-pdf
 
 rm -f ${RPM_BUILD_ROOT}%{_infodir}/dir
 rm -f ${RPM_BUILD_ROOT}%{_infodir}/dir.old
+mkdir -p ${RPM_BUILD_ROOT}%{?_pkgdocdir}%{!?_pkgdocdir:%{_docdir}/%{name}-%{version}}
 install -p CAPABILITIES ${RPM_BUILD_ROOT}%{?_pkgdocdir}%{!?_pkgdocdir:%{_docdir}/%{name}-%{version}}
 
 #Install libRmath files