libmad, disable static library (#7644)

media-libs/libmad/libmad-0.15.1b.recipe

@@ -6,7 +6,7 @@ Layer III (i.e. MP3) -- are fully implemented."
 HOMEPAGE="http://mad.sourceforge.net/"
 COPYRIGHT="2000-2004 Underbit Technologies, Inc."
 LICENSE="GNU GPL v2"
-REVISION="7"
+REVISION="8"
 SOURCE_URI="ftp://ftp.mars.org/pub/mpeg/libmad-0.15.1b.tar.gz"
 CHECKSUM_SHA256="bbfac3ed6bfbc2823d3775ebb931087371e142bb0e9bb1bee51a76a6e0078690"
 PATCHES="libmad-$portVersion.patchset"
@@ -47,7 +47,7 @@ BUILD()
 	sed -i 's/AM_CONFIG_HEADER/AC_CONFIG_HEADERS/' configure.ac
 	sed -i 's/$optimize -fforce-mem/$optimize/g' configure.ac
 	autoreconf -vfi
-	runConfigure ./configure
+	runConfigure ./configure --disable-static
 	make $jobArgs
 }