tools: fdtgrep: Mark util_usage() as static

The function is only used locally. Enabling -Wmissing-prototypes
triggers a warning. Mark it as static.

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>

diff --git a/tools/fdtgrep.c b/tools/fdtgrep.c
index 6372defedc2ecb28a2a380da847f4111fd6a6280..b4c041070f560a8ca96120bd66640aec297f2fbb 100644 (file)
--- a/tools/fdtgrep.c
+++ b/tools/fdtgrep.c
@@ -1040,7 +1040,7 @@ static const char * const usage_opts_help[] = {
 #define util_getopt_long() getopt_long(argc, argv, usage_short_opts, \
                                       usage_long_opts, NULL)
 
-void util_usage(const char *errmsg, const char *synopsis,
+static void util_usage(const char *errmsg, const char *synopsis,
                const char *short_opts, struct option const long_opts[],
                const char * const opts_help[])
 {