Documentation/: fix warnings from -Wmissing-prototypes in HOSTCFLAGS

Fix up -Wmissing-prototypes in compileable userspace code, mainly under
Documentation/.

Signed-off-by: Ladinu Chandrasinghe <ladinu.pub@gmail.com>
Signed-off-by: Trevor Keith <tsrk@tsrk.net>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/Documentation/spi/spidev_test.c b/Documentation/spi/spidev_test.c
index c1a5aad3c75..10abd3773e4 100644
--- a/Documentation/spi/spidev_test.c
+++ b/Documentation/spi/spidev_test.c
@@ -69,7 +69,7 @@ static void transfer(int fd)
         puts("");
 }
 
-void print_usage(const char *prog)
+static void print_usage(const char *prog)
 {
         printf("Usage: %s [-DsbdlHOLC3]\n", prog);
         puts("  -D --device   device to use (default /dev/spidev1.1)\n"
@@ -85,7 +85,7 @@ void print_usage(const char *prog)
         exit(1);
 }
 
-void parse_opts(int argc, char *argv[])
+static void parse_opts(int argc, char *argv[])
 {
         while (1) {
                 static const struct option lopts[] = {