[PATCH] MIPS: ZBOOT: add missing <linux/string.h> include

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Commit dc4d7b37 moves the string related functions into a separate file,
which might cause the following build error, depending on the
configuration:

| CC      arch/mips/boot/compressed/decompress.o
| In file included from linux/arch/mips/boot/compressed/../../../../lib/decompress_unxz.c:234:0,
|                  from linux/arch/mips/boot/compressed/decompress.c:67:
| linux/arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c: In function 'fill_temp':
| linux/arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:162:2: error: implicit declaration of function 'memcpy' [-Werror=implicit-function-declaration]
| cc1: some warnings being treated as errors
| linux/scripts/Makefile.build:308: recipe for target 'arch/mips/boot/compressed/decompress.o' failed
| make[6]: *** [arch/mips/boot/compressed/decompress.o] Error 1
| linux/arch/mips/Makefile:308: recipe for target 'vmlinuz' failed

It doesn't not fail with the standard configuration, as when
CONFIG_DYNAMIC_DEBUG is not set <linux/string.h> gets included in
include/linux/dynamic_debug.h. There might be other way for it to
get indirectly included.

We can't add the include should not be added directly in xz_dec_stream.c
as some architectures might want to use a different version for the
boot/ directory (see for example arch/x86/boot/string.h).

Signed-off-by: Aurelien Jarno <aurelien@xxxxxxxxxxx>
---
 arch/mips/boot/compressed/decompress.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c
index c00c4dd..5244cec 100644
--- a/arch/mips/boot/compressed/decompress.c
+++ b/arch/mips/boot/compressed/decompress.c
@@ -13,6 +13,7 @@
 
 #include <linux/types.h>
 #include <linux/kernel.h>
+#include <linux/string.h>
 
 #include <asm/addrspace.h>
 
-- 
2.0.0



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