[source] build: unzip: perform operations quietly

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/4ebb13a0ef66ba5435a0173954238498f3ce7a53

commit 4ebb13a0ef66ba5435a0173954238498f3ce7a53
Author: Yousong Zhou <yszhou4tech at gmail.com>
AuthorDate: Sun Jan 1 01:06:30 2017 +0800

    build: unzip: perform operations quietly
    
    Signed-off-by: Yousong Zhou <yszhou4tech at gmail.com>
---
 include/unpack.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/unpack.mk b/include/unpack.mk
index 41ff439..a139827 100644
--- a/include/unpack.mk
+++ b/include/unpack.mk
@@ -7,7 +7,7 @@
 
 HOST_TAR:=$(TAR)
 TAR_CMD=$(HOST_TAR) -C $(1)/.. $(TAR_OPTIONS)
-UNZIP_CMD=unzip -d $(1)/.. $(DL_DIR)/$(PKG_SOURCE)
+UNZIP_CMD=unzip -q -d $(1)/.. $(DL_DIR)/$(PKG_SOURCE)
 
 ifeq ($(PKG_SOURCE),)
   PKG_UNPACK ?= true