changed the remaining xpm files from static char* to const static char* to...

changed the remaining xpm files from static char* to const static char* to avoid some more compiler warnings
Signed-off-by: Rafaël Carré <funman@videolan.org>

share/mozilla/fullscreen.xpm

 /* XPM */
-static char * fullscreen_xpm[] = {
+static const char * fullscreen_xpm[] = {
 "26 20 5 1",
 " 	c None",
 ".	c #999999",

share/mozilla/pause.xpm

 /* XPM */
-static char * pause_xpm[] = {
+static const char * pause_xpm[] = {
 "33 27 3 1",
 "+	c None",
 ".	c #999999",

share/mozilla/play.xpm

 /* XPM */
-static char * play_xpm[] = {
+static const char * play_xpm[] = {
 "34 27 3 1",
 "+	c None",
 ".	c #999999",

share/mozilla/skip_next.xpm

 /* XPM */
-static char * skip_next_xpm[] = {
+static const char * skip_next_xpm[] = {
 "30 18 2 1",
 " 	c None",
 ".	c #999999",

share/mozilla/skip_previous.xpm

 /* XPM */
-static char * skip_previous_xpm[] = {
+static const char * skip_previous_xpm[] = {
 "30 18 2 1",
 " 	c None",
 ".	c #999999",

share/mozilla/stop.xpm

 /* XPM */
-static char * fs_stop_xpm[] = {
+static const char * fs_stop_xpm[] = {
 "27 27 2 1",
 " 	c None",
 ".	c #999999",

share/mozilla/time_icon.xpm

 /* XPM */
-static char * time_slider_knob_xpm[] = {
+static const char * time_slider_knob_xpm[] = {
 "8 6 3 1",
 " 	c None",
 ".	c #999999",

share/mozilla/time_line.xpm

 /* XPM */
-static char * time_line2_xpm[] = {
+static const char * time_line2_xpm[] = {
 "518 2 2 1",
 " 	c None",
 ".	c #999999",

share/mozilla/volume_knob.xpm

 /* XPM */
-static char * volume_knob_xpm[] = {
+static const char * volume_knob_xpm[] = {
 "9 9 10 1",
 " 	c None",
 ".	c #989898",

share/mozilla/volume_max.xpm

 /* XPM */
-static char * volume_max_xpm[] = {
+static const char * volume_max_xpm[] = {
 "15 13 3 1",
 " 	c None",
 ".	c #999999",

share/mozilla/volume_mute.xpm

 /* XPM */
-static char * volume_mute_xpm[] = {
+static const char * volume_mute_xpm[] = {
 "7 11 2 1",
 " 	c None",
 ".	c #999999",

share/mozilla/volume_slider_bar.xpm

 /* XPM */
-static char * volume_slider_bar_xpm[] = {
+static const char * volume_slider_bar_xpm[] = {
 "95 2 2 1",
 " 	c None",
 ".	c #999999",