libgo: bump library version to 11

    
    As usual I forgot to bump the library version when I updated the
    library to 1.8rc1.
    
    Reviewed-on: https://go-review.googlesource.com/35568

From-SVN: r244823

gcc/go/gofrontend/MERGE

-b573d4756096523d8bd4bf7b11e56383e5a2cca4
+6d8ef03e760ff737ff2c613642142290b0f02e0e
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.

libgo/configure

@@ -2492,7 +2492,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 ac_config_headers="$ac_config_headers config.h"
 
 
-libtool_VERSION=10:0:0
+libtool_VERSION=11:0:0
 
 
 # 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=10:0:0
+libtool_VERSION=11:0:0
 AC_SUBST(libtool_VERSION)
 
 AM_ENABLE_MULTILIB(, ..)