py-libxml2: update to 2.13.8

Author: szhorvat

python/py-libxml2/Portfile

@@ -6,11 +6,11 @@ PortGroup           python 1.0
 # Please keep the version of the libxml2 and py-libxml2 ports the same.
 
 name                py-libxml2
-version             2.13.6
+version             2.13.8
 revision            0
-checksums           rmd160  657c48b7fc2d817b6387a653ab78961a42339673 \
-                    sha256  f453480307524968f7a04ec65e64f2a83a825973bcd260a2e7691be82ae70c96 \
-                    size    2423476
+checksums           rmd160  bef522c66620e210b207b02c3aedd4e46e7dbc51 \
+                    sha256  277294cb33119ab71b2bc81f2f445e9bc9435b893ad15bb2cd2b0e859a0ee84a \
+                    size    2423128
 
 set branch          [join [lrange [split ${version} .] 0 1] .]
 categories-append   textproc