openimageio: update version 2.0.6->2.0.7

graphics/openimageio/Portfile

@@ -7,7 +7,7 @@ PortGroup           cmake 1.1
 PortGroup           cxx11 1.1
 PortGroup           active_variants 1.1
 
-github.setup        OpenImageIO oiio 2.0.6
+github.setup        OpenImageIO oiio 2.0.7
 revision            0
 name                openimageio
 categories          graphics
@@ -17,9 +17,9 @@ description         a library for reading and writing images
 long_description    OpenImageIO is a library for reading and writing images, and a bunch of related classes, utilities, and applications.
 platforms           darwin
 
-checksums           rmd160  8cdf0dd04af590dd7c5d40e7893b231b0dcf242a \
-                    sha256  58b3ca8e1729d484cae5a93882711f54fafaefdca124dc5c14c3ed3bc80f055c \
-                    size    29788300
+checksums           rmd160  0693b2947f4fa3aaa3aea0ada98d2fdab0600d71 \
+                    sha256  3abe7e09c9d4e17e357c31c3cb856aea1fa7f79ab24f1fbe0bd46fd8fbd8c769 \
+                    size    29789712
 
 github.master_sites ${github.homepage}/archive
 distname            Release-${version}
@@ -42,7 +42,6 @@ depends_lib-append \
     port:jpeg \
     port:libpng \
     port:tiff \
-    port:webp \
     port:ilmbase \
     port:openexr
 
@@ -151,4 +150,8 @@ configure.args-append \
 #    -DUSE_DICOM=OFF
 depends_lib-append port:dcmtk
 
+#configure.args-append \
+#    -DUSE_WEBP=OFF
+depends_lib-append port:webp
+
 livecheck.regex     archive/Release-(\\d+(?:\\.\\d+)*)${extract.suffix}