libgo: Bump version number.

From-SVN: r212840

libgo/configure

@@ -2503,7 +2503,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 ac_config_headers="$ac_config_headers config.h"
 
 
-libtool_VERSION=5:0:0
+libtool_VERSION=6:0:0
 
 
 # Default to --enable-multilib

libgo/configure.ac

@@ -11,7 +11,7 @@ AC_INIT(package-unused, version-unused,, libgo)
 AC_CONFIG_SRCDIR(Makefile.am)
 AC_CONFIG_HEADER(config.h)
 
-libtool_VERSION=5:0:0
+libtool_VERSION=6:0:0
 AC_SUBST(libtool_VERSION)
 
 AM_ENABLE_MULTILIB(, ..)