I found some style problems while check the code using checkpatch.pl.
This commit fixs the issue below:
ERROR: that open brace { should be on the previous line

Signed-off-by: zhouyang (T) <zhouyang789@huawei.com>
---
 contrib/plugins/howvec.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/contrib/plugins/howvec.c b/contrib/plugins/howvec.c
index 9d6fa33297..600f7facc1 100644
--- a/contrib/plugins/howvec.c
+++ b/contrib/plugins/howvec.c
@@ -145,8 +145,7 @@ typedef struct {
     int table_sz;
 } ClassSelector;
 
-static ClassSelector class_tables[] =
-{
+static ClassSelector class_tables[] = {
     { "aarch64", aarch64_insn_classes, ARRAY_SIZE(aarch64_insn_classes) },
     { "sparc",   sparc32_insn_classes, ARRAY_SIZE(sparc32_insn_classes) },
     { "sparc64", sparc64_insn_classes, ARRAY_SIZE(sparc64_insn_classes) },
-- 
2.23.0