[PATCH] lib/rbtree_test.c: fix uninitialized variable warning

[Cong Ding]

this patch is to fix the following compilation warning:
lib/rbtree_test.c: In function ‘check’:
lib/rbtree_test.c:121: warning: ‘blacks’ may be used uninitialized in this
function

the use of variable blacks in line 133 might be uninitialized

Signed-off-by: Cong Ding <ding...@gmail.com>
---
 lib/rbtree_test.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/lib/rbtree_test.c b/lib/rbtree_test.c
index da96578..af38aed 100644
--- a/lib/rbtree_test.c
+++ b/lib/rbtree_test.c
@@ -118,7 +118,7 @@ static void check(int nr_nodes)
 {
        struct rb_node *rb;
        int count = 0;
-       int blacks;
+       int blacks = 0;
        u32 prev_key = 0;
 
        for (rb = rb_first(&root); rb; rb = rb_next(rb)) {
-- 
1.7.4.5

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