This patch fixes the compilation on newer GCCs. These externs are actually
static arrays defined in xpm files which are included later on by other files.
There´s just no need to include them as externs.

Signed-off-by: Lucas C. Villa Real <lucasvr@gobolinux.org>

--- asclock-2.0.12/asclock.h.orig	2008-04-06 12:52:13.000000000 -0300
+++ asclock-2.0.12/asclock.h	2008-04-06 12:53:05.000000000 -0300
@@ -37,17 +37,6 @@ extern symbol config_symbols[];
 #define MAX_PATH_LEN 512
 #define INT_TYPE 0;
 
-/* the xpm data */
-extern char *clock_xpm[];
-extern char *month_xpm[];
-extern char *weekday_xpm[];
-extern char *led_xpm[];
-extern char *date_xpm[];
-extern char *hour_xpm[];
-extern char *minute_xpm[];
-extern char *second_xpm[];
-extern char *beats_xpm[];
-
 /* the filenames */
 extern char clock_xpm_fn[MAX_PATH_LEN];
 extern char month_xpm_fn[MAX_PATH_LEN];