most recent changes, diff for libsamplerate

Index: audio/libsamplerate/Portfile
--- audio/libsamplerate/Portfile (revision 38546)
+++ audio/libsamplerate/Portfile (revision 38547)
@@ -11,6 +11,7 @@
long_description ${description}
homepage http://www.mega-nerd.com/libsamplerate/
platforms darwin
+use_parallel_build yes
master_sites ${homepage}
checksums md5 3f91af22a6c4135485594d0d2c91d45d \
sha1 4a0b493aa868fb6f9e7e8e5db2fb44cfbcd2d123 \