[MIPS] RB532: Flags are unsigned long

A recent generic change now catches such bugs:

<--  snip  -->

...
  CC      arch/mips/rb532/time.o
cc1: warnings being treated as errors
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/mips/rb532/time.c: In function 'plat_time_init':
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/mips/rb532/time.c:55: error: comparison of distinct pointer types lacks a cast
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/mips/rb532/time.c:66: error: comparison of distinct pointer types lacks a cast
make[2]: *** [arch/mips/rb532/time.o] Error 1

<--  snip  -->

Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/rb532/time.c b/arch/mips/rb532/time.c
index db74edf..8e7a468 100644
--- a/arch/mips/rb532/time.c
+++ b/arch/mips/rb532/time.c
@@ -49,8 +49,8 @@
 
 void __init plat_time_init(void)
 {
-	unsigned int est_freq, flags;
-	unsigned long r4k_offset;
+	unsigned int est_freq;
+	unsigned long flags, r4k_offset;
 
 	local_irq_save(flags);