tests: Initialise i18n in tests

src/test-accel-location.c

@@ -7,6 +7,7 @@
  *
  */
 
+#include <locale.h>
 #include "accel-attributes.h"
 
 #define VALID_DISPLAY_LOCATION "display"
@@ -60,6 +61,7 @@ test_accel_location (void)
 
 int main (int argc, char **argv)
 {
+	setlocale(LC_ALL, "");
 	g_test_init (&argc, &argv, NULL);
 
 	g_test_add_func ("/iio-sensor-proxy/accel-location", test_accel_location);

src/test-mount-matrix.c

@@ -7,6 +7,7 @@
  *
  */
 
+#include <locale.h>
 #include "accel-mount-matrix.h"
 
 #define SWAP_Y_Z_MATRIX "1, 0, 0; 0, 0, 1; 0, 1, 0"
@@ -63,6 +64,7 @@ test_mount_matrix (void)
 
 int main (int argc, char **argv)
 {
+	setlocale(LC_ALL, "");
 	g_test_init (&argc, &argv, NULL);
 
 	g_test_add_func ("/iio-sensor-proxy/mount-matrix", test_mount_matrix);

src/test-orientation-gtk.c

@@ -7,6 +7,7 @@
  *
  */
 
+#include <locale.h>
 #include <gtk/gtk.h>
 #include "orientation.h"
 
@@ -37,6 +38,7 @@ int main (int argc, char **argv)
 	GtkWidget *window;
 	GtkWidget *grid;
 
+	setlocale(LC_ALL, "");
 	gtk_init (&argc, &argv);
 
 	window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

src/test-orientation.c

@@ -9,6 +9,7 @@
 
 #include <glib.h>
 #include <stdlib.h>
+#include <locale.h>
 #include "orientation.h"
 #include "accel-mount-matrix.h"
 
@@ -207,6 +208,7 @@ print_orientation (const char *x_str,
 
 int main (int argc, char **argv)
 {
+	setlocale(LC_ALL, "");
 	g_test_init (&argc, &argv, NULL);
 
 	if (argc > 1) {