[Dev-luatex] zap some compiler warnings

Index: font/luafont.c =================================================================== --- font/luafont.c (Revision 534) +++ font/luafont.c (Arbeitskopie) @@ -312,7 +312,7 @@ static int count_char_packet_bytes (lua_State *L) { int i, l, ff; - unsigned int len; + size_t len; char *s; ff = 0; l = 0; @@ -354,7 +354,7 @@ static void read_char_packets (lua_State *L, integer *l_fonts, charinfo *co) { int i, n, m; - unsigned l; + size_t l; int cmd; char *s; real_eight_bits *cpackets;