[tip:x86/cleanups] x86, boot: Fix warning due to undeclared strlen()

[tip-bot for Fred Chen <tipbot@zytor.com>]

Commit-ID:  062fe8fe511e7f771ef1dc824eaf996ba50a694b
Gitweb:     http://git.kernel.org/tip/062fe8fe511e7f771ef1dc824eaf996ba50a694b
Author:     Fred Chen <fchen@linux.vnet.ibm.com>
AuthorDate: Tue, 13 Aug 2013 11:13:00 -0700
Committer:  H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Tue, 13 Aug 2013 11:27:39 -0700

x86, boot: Fix warning due to undeclared strlen()

Below is a patch that fixes sparse error
"arch/x86/boot/string.c:119:8: warning: symbol 'strlen' was not
declared." by declaring it in arch/x86/boot/boot.h.

Signed-off-by: Fred Chen <fchen@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1376417580-11554-1-git-send-email-fchen@linux.vnet.ibm.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 arch/x86/boot/boot.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index 5b75319..ef72bae 100644
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -355,6 +355,7 @@ int strncmp(const char *cs, const char *ct, size_t count);
 size_t strnlen(const char *s, size_t maxlen);
 unsigned int atou(const char *s);
 unsigned long long simple_strtoull(const char *cp, char **endp, unsigned int base);
+size_t strlen(const char *s);
 
 /* tty.c */
 void puts(const char *);