[PATCH] signal: remove redundant quote

[chiguoqing]

If define __HAVE_ARCH_SIG_SETOPS,it will onece include string.h.
But if no define __HAVE_ARCH_SIG_SETOPS or into this code,
it will repeated references string.h
So i think we can remove this include which in __HAVE_ARCH_SIG_SETOPS.

Signed-off-by: Junjun Shao<shaojunjun@xxxxxxxxxx>
---
 include/linux/signal.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/signal.h b/include/linux/signal.h
index 205526c4003a..c371d3a3ff61 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -124,7 +124,6 @@ static inline int sigequalsets(const sigset_t *set1, const sigset_t *set2)
 #define sigmask(sig)	(1UL << ((sig) - 1))
 
 #ifndef __HAVE_ARCH_SIG_SETOPS
-#include <linux/string.h>
 
 #define _SIG_SET_BINOP(name, op)					\
 static inline void name(sigset_t *r, const sigset_t *a, const sigset_t *b) \
-- 
2.17.1