The bitmap-str.h uses mixed style for function prototypes. Drop
the 'extern' as it easier to read and makes style aligned with
a new code in the kernel.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 include/linux/bitmap-str.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/bitmap-str.h b/include/linux/bitmap-str.h
index 17caeca94cab..d758b4809a3a 100644
--- a/include/linux/bitmap-str.h
+++ b/include/linux/bitmap-str.h
@@ -4,10 +4,10 @@
 
 int bitmap_parse_user(const char __user *ubuf, unsigned int ulen, unsigned long *dst, int nbits);
 int bitmap_print_to_pagebuf(bool list, char *buf, const unsigned long *maskp, int nmaskbits);
-extern int bitmap_print_bitmask_to_buf(char *buf, const unsigned long *maskp,
-					int nmaskbits, loff_t off, size_t count);
-extern int bitmap_print_list_to_buf(char *buf, const unsigned long *maskp,
-					int nmaskbits, loff_t off, size_t count);
+int bitmap_print_bitmask_to_buf(char *buf, const unsigned long *maskp, int nmaskbits,
+				loff_t off, size_t count);
+int bitmap_print_list_to_buf(char *buf, const unsigned long *maskp, int nmaskbits,
+			     loff_t off, size_t count);
 int bitmap_parse(const char *buf, unsigned int buflen, unsigned long *dst, int nbits);
 int bitmap_parselist(const char *buf, unsigned long *maskp, int nmaskbits);
 int bitmap_parselist_user(const char __user *ubuf, unsigned int ulen,
-- 
2.47.2