graphics/openimageio: Patch to include cstdio (missing since openjpeg update)

Signed-off-by: Christoph Willing <chris.willing@linux.com>

graphics/openimageio/oiio-include-cstdio.diff

@@ -0,0 +1,10 @@
+--- src/jpeg2000.imageio/jpeg2000output-v1.cpp.orig	2017-08-31 14:36:04.000000000 +1000
++++ src/jpeg2000.imageio/jpeg2000output-v1.cpp	2017-10-30 10:34:45.122572637 +1000
+@@ -27,6 +27,7 @@
+ 
+   (This is the Modified BSD License)
+ */
++#include <cstdio>
+ #include <vector>
+ #include "openjpeg.h"
+ #include "OpenImageIO/filesystem.h"

graphics/openimageio/openimageio.SlackBuild

@@ -25,7 +25,7 @@
 PRGNAM=openimageio
 SRCNAM=oiio-Release
 VERSION=${VERSION:-1.7.17}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 PYLIB_INSTALL_DIRECTORY=$(python2 -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())")
@@ -66,6 +66,7 @@ cd $TMP
 rm -rf $PRGNAM-$VERSION
 tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
 cd $SRCNAM-$VERSION
+patch -p0 < $CWD/oiio-include-cstdio.diff
 chown -R root:root .
 find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \