[PATCH] parisc: fix 64-bit gcc 3.3 compiles

Remove gcc alias directive to fix gcc-3.3.4 64-bit kernels
Committed-by: Carlos O'Donell <carlos@parisc-linux.org>

arch/parisc/kernel/firmware.c

@@ -1276,7 +1276,7 @@ struct wide_stack {
 long real64_call(unsigned long fn, ...)
 {
 	va_list args;
-	extern struct wide_stack real64_stack __attribute__ ((alias ("real_stack")));
+	extern struct wide_stack real64_stack;
 	extern unsigned long real64_call_asm(unsigned long *,
 					     unsigned long *, 
 					     unsigned long);