[MIPS] Fix "no space between function name and open parenthesis" warnings.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mipssim/sim_time.c b/arch/mips/mipssim/sim_time.c
index 3625f7d..e7fa0d1 100644
--- a/arch/mips/mipssim/sim_time.c
+++ b/arch/mips/mipssim/sim_time.c
@@ -84,7 +84,7 @@
 	/* Set Data mode - binary. */
 	CMOS_WRITE(CMOS_READ(RTC_CONTROL) | RTC_DM_BINARY, RTC_CONTROL);
 
-	est_freq = estimate_cpu_frequency ();
+	est_freq = estimate_cpu_frequency();
 
 	printk(KERN_INFO "CPU frequency %d.%02d MHz\n", est_freq / 1000000,
 	       (est_freq % 1000000) * 100 / 1000000);