drivers/parport/parport_pc.c: fix warnings

drivers/parport/parport_pc.c: In function '__check_irq':
drivers/parport/parport_pc.c:3415: warning: return from incompatible pointer type
drivers/parport/parport_pc.c: In function '__check_dma':
drivers/parport/parport_pc.c:3417: warning: return from incompatible pointer type

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index d0b597b..0cb64f5 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -3404,8 +3404,8 @@
 #endif
 
 #ifdef MODULE
-static const char *irq[PARPORT_PC_MAX_PORTS];
-static const char *dma[PARPORT_PC_MAX_PORTS];
+static char *irq[PARPORT_PC_MAX_PORTS];
+static char *dma[PARPORT_PC_MAX_PORTS];
 
 MODULE_PARM_DESC(io, "Base I/O address (SPP regs)");
 module_param_array(io, int, NULL, 0);