[PATCH][MIPS] fix wrong cast

[Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>]

Hi Ralf,

This patch has fixed wrong cast.

Yoichi

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>

diff -pruN -X generic/Documentation/dontdiff generic-orig/arch/mips/au1000/pb1100/init.c generic/arch/mips/au1000/pb1100/init.c
--- generic-orig/arch/mips/au1000/pb1100/init.c	2007-03-23 11:00:22.462630500 +0900
+++ generic/arch/mips/au1000/pb1100/init.c	2007-03-23 17:07:27.210831500 +0900
@@ -53,7 +53,7 @@ void __init prom_init(void)
 
 	prom_argc = fw_arg0;
 	prom_argv = (char **) fw_arg1;
-	prom_envp = (int *) fw_arg3;
+	prom_envp = (char **) fw_arg3;
 
 	mips_machgroup = MACH_GROUP_ALCHEMY;
 	mips_machtype = MACH_PB1100;