[AD] assert patch

["Vincent Penquerc'h" <vincent.penquerch@xxxxxxxxxx>]

Got bitten by Allegro. This removes the offending teeth.

-- 
Vincent Penquerc'h

--- readbmp.c.assert	Mon Oct 14 17:26:17 2002
+++ readbmp.c	Tue Oct 15 10:57:59 2002
@@ -98,7 +98,6 @@
    BITMAP_TYPE_INFO *iter;
    ASSERT(filename);
    ASSERT(bmp);
-   ASSERT(pal);
 
    aext = uconvert_toascii(get_extension(filename), tmp);
 
--- pcx.c.assert	Tue Oct 15 10:55:32 2002
+++ pcx.c	Tue Oct 15 10:55:47 2002
@@ -174,7 +174,6 @@
    char runchar;
    char ch;
    ASSERT(filename);
-   ASSERT(pal);
 
    if (!pal) {
       get_palette(tmppal);