gettext: use American spelling for neighbor

British spelling shall be in po/en_UK.po.

modules/video_chroma/swscale.c

@@ -61,7 +61,7 @@ static void CloseScaler( vlc_object_t * );
 static const int pi_mode_values[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
 const char *const ppsz_mode_descriptions[] =
 { N_("Fast bilinear"), N_("Bilinear"), N_("Bicubic (good quality)"),
-  N_("Experimental"), N_("Nearest neighbour (bad quality)"),
+  N_("Experimental"), N_("Nearest neighbor (bad quality)"),
   N_("Area"), N_("Luma bicubic / chroma bilinear"), N_("Gauss"),
   N_("SincR"), N_("Lanczos"), N_("Bicubic spline") };
 

modules/video_output/placebo_utils.h

@@ -265,7 +265,7 @@ static const char * const scale_text[] = {
     "Mitchell-Netravali (recommended downscaler)",
     "Bicubic",
     "Jinc / EWA Lanczos 3 taps (high quality, slow)",
-    "Nearest neighbour",
+    "Nearest neighbor",
     "Bilinear",
     "Gaussian",
     "Lanczos 3 taps",