tools_common.h: fix usage_exit() prototype
+ the definitions in the examples
silences a missing-prototype warning
Change-Id: I7c064cacd6d2073a6107de6c3e2cc46ef8a68411
diff --git a/tools_common.h b/tools_common.h
index de6c38f..b92980a 100644
--- a/tools_common.h
+++ b/tools_common.h
@@ -119,7 +119,7 @@
void die_codec(vpx_codec_ctx_t *ctx, const char *s) VPX_NO_RETURN;
/* The tool including this file must define usage_exit() */
-void usage_exit() VPX_NO_RETURN;
+void usage_exit(void) VPX_NO_RETURN;
#undef VPX_NO_RETURN