[PATCH] lib/string_helpers: add linux/string.h for strlen()

[Lucas De Marchi]

linux/string_helpers.h uses strlen(), so include the correpondent
header. Otherwise we get a compilation error if it's not also included
by whoever included the helper.

Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
---
 include/linux/string_helpers.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h
index 68189c4a2eb1..4ba39e1403b2 100644
--- a/include/linux/string_helpers.h
+++ b/include/linux/string_helpers.h
@@ -4,6 +4,7 @@
 
 #include <linux/bits.h>
 #include <linux/ctype.h>
+#include <linux/string.h>
 #include <linux/types.h>
 
 struct file;
-- 
2.33.0