[syslinux:firmware] bios: fix definition of 'bios_free_mem'

[syslinux-bot for Matt Fleming]

Commit-ID:  376b6a83cccffc9e81561f02ed6e4c1f66e645af
Gitweb:     http://www.syslinux.org/commit/376b6a83cccffc9e81561f02ed6e4c1f66e645af
Author:     Matt Fleming <matt.fleming at intel.com>
AuthorDate: Wed, 19 Jun 2013 16:18:04 +0100
Committer:  Matt Fleming <matt.fleming at intel.com>
CommitDate: Wed, 19 Jun 2013 16:18:04 +0100

bios: fix definition of 'bios_free_mem'

and fix the following compiler warning,

core/bios.c: In function ‘bios_init’:
core/bios.c:515:16: warning: assignment makes integer from pointer without a cast [enabled by default]

Signed-off-by: Matt Fleming <matt.fleming at intel.com>

---
 core/bios.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/bios.c b/core/bios.c
index a239c03..343268b 100644
--- a/core/bios.c
+++ b/core/bios.c
@@ -497,7 +497,7 @@ static inline void bios_timer_init(void)
 	*hook = (uint32_t)&timer_irq;
 }
 
-extern uint8_t bios_free_mem;
+extern uint16_t *bios_free_mem;
 
 void bios_init(void)
 {