tools: fdtgrep: Mark util_version() 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 037176b..6372def 100644 (file)
--- a/tools/fdtgrep.c
+++ b/tools/fdtgrep.c
@@ -1109,7 +1109,7 @@ void util_usage(const char *errmsg, const char *synopsis,
        util_usage(errmsg, usage_synopsis, usage_short_opts, \
                   usage_long_opts, usage_opts_help)
 
-void util_version(void)
+static void util_version(void)
 {
        printf("Version: %s\n", "(U-Boot)");
        exit(0);