dtc: Optimise by default, fix warnings thus uncovered

This patch turns on optimisation in the Makefile by default.  With the
optimizer on, some uninitialized variable warnings (one real, two
bogus) are now generated.  This patch also squashes those again.

1 files changed, 1 insertions, 1 deletions

diff --git a/dtc.c b/dtc.c
index ecd9fe5..8f5fe2f 100644
--- a/dtc.c
+++ b/dtc.c
@@ -71,7 +71,7 @@ void fill_fullpaths(struct node *tree, char *prefix)
 		fill_fullpaths(child, tree->fullpath);
 }
 
-static void usage(void)
+static void  __attribute__ ((noreturn)) usage(void)
 {
 	fprintf(stderr, "Usage:\n");
 	fprintf(stderr, "\tdtc [options] <input file>\n");