Forecasts: make translation works again

NLS was probably broken since the switch to meson,

this commit fix 2 issues:
 * config.h was not readed at all, renamed to forecasts_config.g and included
 * meson install po files in system dir, not in E modules dir like it was before

meson.build

@@ -21,9 +21,13 @@ edje_cmd = find_program('edje_cc')
 
 install_mod_dir = join_paths(dir_module_e, meson.project_name())
 install_dir = join_paths(install_mod_dir, module_arch)
+locale_dir = join_paths(get_option('prefix'), get_option('localedir'))
 
 config_data = configuration_data()
+config_data.set_quoted('PACKAGE', meson.project_name())
 config_data.set_quoted('MODULE_DIR', install_dir)
+config_data.set_quoted('LOCALE_DIR', locale_dir)
+config_dir = include_directories('.')
 
 use_translations = false
 intl_lib = cc.find_library('intl', required: false)
@@ -47,7 +51,7 @@ endif
 
 subdir('src')
 
-configure_file(output: 'config.h', install: false, configuration: config_data)
+configure_file(output: 'forecast_config.h', install: false, configuration: config_data)
 
 install_data('module.desktop', install_dir : install_mod_dir)
 

src/e_mod_main.c

@@ -392,10 +392,7 @@ EAPI E_Module_Api e_modapi = {
 EAPI void *
 e_modapi_init(E_Module *m)
 {
-   char buf[4095];
-
-   snprintf(buf, sizeof(buf), "%s/locale", e_module_dir_get(m));
-   bindtextdomain(PACKAGE, buf);
+   bindtextdomain(PACKAGE, LOCALE_DIR);
    bind_textdomain_codeset(PACKAGE, "UTF-8");
 
    conf_item_edd = E_CONFIG_DD_NEW("Forecasts_Config_Item", Config_Item);

src/e_mod_main.h

@@ -1,6 +1,8 @@
 #ifndef E_MOD_MAIN_H
 #define E_MOD_MAIN_H
 
+#include "forecast_config.h"
+
 #ifdef ENABLE_NLS
 # include <libintl.h>
 # define D_(string) dgettext(PACKAGE, string)

src/meson.build

@@ -5,6 +5,7 @@ module = shared_module('module',
                        'e_mod_main.c', 'e_mod_config.c',
                        dependencies : [e, json],
                        install_dir: install_dir,
+                       include_directories: config_dir,
                        install: true,
                        name_prefix: '',
                        link_args: '-Wl,--unresolved-symbols=ignore-in-object-files')