plugin load configuration in strongswan.conf

some components accept a "component.load" option with a space separated list of plugins to load
  libcharon- plugins are now handled the same way as libstrongswan- plugins

src/charon/plugins/sql/Makefile.am

@@ -3,11 +3,11 @@ INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/charon
 
 AM_CFLAGS = -rdynamic -DIPSEC_PLUGINDIR=\"${plugindir}\"
 
-plugin_LTLIBRARIES = libcharon-sql.la
-libcharon_sql_la_SOURCES = sql_plugin.h sql_plugin.c \
+plugin_LTLIBRARIES = libstrongswan-sql.la
+libstrongswan_sql_la_SOURCES = sql_plugin.h sql_plugin.c \
   sql_config.h sql_config.c sql_cred.h sql_cred.c \
   sql_attribute.h sql_attribute.c sql_logger.h sql_logger.c
-libcharon_sql_la_LDFLAGS = -module
+libstrongswan_sql_la_LDFLAGS = -module
 
 ipsec_PROGRAMS = pool
 pool_SOURCES = pool.c

src/charon/plugins/sql/pool.c

@@ -358,8 +358,9 @@ int main(int argc, char *argv[])
 	dbg = dbg_stderr;
 	library_init(STRONGSWAN_CONF);
 	atexit(library_deinit);
-	
-	lib->plugins->load(lib->plugins, IPSEC_PLUGINDIR, "libstrongswan-");
+	lib->plugins->load(lib->plugins, IPSEC_PLUGINDIR,
+		lib->settings->get_str(lib->settings, "pool.load",
+			"sqlite mysql"));
 	
 	uri = lib->settings->get_str(lib->settings, "charon.plugins.sql.database", NULL);
 	if (!uri)