common: build.sh: fix build_check invalid

Signed-off-by: Weiwen Chen <cww@rock-chips.com>
Change-Id: Ia7b6a4e17bb111b2ee796ba0992b6ce96ce32cc8

common/build.sh

@@ -224,9 +224,10 @@ function build_check(){
 
 			dst=${chk_item%%,*}
 			src=${chk_item##*,}
-			eval $dst 1>/dev/null 2>&1
-			if [ $? -ne 0 ];then
 			echo "**************************************"
+			if eval $dst &>/dev/null;then
+				echo "Check [OK]: $dst"
+			else
 				echo "Please install ${dst%% *} first"
 				echo "    sudo apt-get install $src"
 			fi