The header files string.h and string_helpers.h are missing in
the MAINTAINERS. Add them.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 MAINTAINERS | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 20544cbdace9..ee157981c4cf 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8615,6 +8615,8 @@ F:	drivers/input/touchscreen/resistive-adc-touch.c
 GENERIC STRING LIBRARY
 R:	Andy Shevchenko <andy@kernel.org>
 S:	Maintained
+F:	include/linux/string.h
+F:	include/linux/string_helpers.h
 F:	lib/string.c
 F:	lib/string_helpers.c
 F:	lib/test_string.c
-- 
2.39.1