Always use C++ linker

because the system library for libjsonnet can be a static library in
some environments

Author: yugui

ext/jsonnet/extconf.rb

@@ -77,12 +77,13 @@ def target_object_files
   $LIBPATH = ["#{recipe.path}/lib"] | $LIBPATH
   $CPPFLAGS << " -I#{recipe.path}/include"
 
-  # jsonnet_wrap extension must be linked with c++ stdlib because
-  # the C++ library Rapid YAML is being statically linked.
-  rbconfig = RbConfig::MAKEFILE_CONFIG
-  if rbconfig['LDSHAREDXX']
-    rbconfig['LDSHARED'] = rbconfig['LDSHAREDXX']
-  end
+end
+
+# jsonnet_wrap extension must be linked with c++ stdlib because
+# the C++ library Rapid YAML is being statically linked.
+rbconfig = RbConfig::MAKEFILE_CONFIG
+if rbconfig['LDSHAREDXX']
+  rbconfig['LDSHARED'] = rbconfig['LDSHAREDXX']
 end
 
 abort 'libjsonnet.h not found' unless have_header('libjsonnet.h')

lib/jsonnet/version.rb

@@ -1,3 +1,3 @@
 module Jsonnet
-  VERSION = "0.5.1"
+  VERSION = "0.5.2"
 end