null_blk: don't initialize static 'g_virt_boundary' to false

No functional changes intended.

Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Link: https://lore.kernel.org/r/20240704010638.324349-1-yanjun.zhu@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>

Author: zhuyj

drivers/block/null_blk/main.c

@@ -77,7 +77,7 @@ enum {
 	NULL_IRQ_TIMER		= 2,
 };
 
-static bool g_virt_boundary = false;
+static bool g_virt_boundary;
 module_param_named(virt_boundary, g_virt_boundary, bool, 0444);
 MODULE_PARM_DESC(virt_boundary, "Require a virtual boundary for the device. Default: False");