Fix build.sh

Change-Id: I301603b00c8afb2ec44cad5bd2afb40270ba8c83
diff --git a/build.sh b/build.sh
index be9f10a..7b6a412 100755
--- a/build.sh
+++ b/build.sh
@@ -59,6 +59,11 @@
 
 function main()
 {
+	if [ -n "$1" ] ;then
+		build $1
+		exit 0
+	fi
+	
 	if [ -d out/bin -a -d out/lib ];then
 		file_copy
 	else
@@ -76,4 +81,4 @@
 	fi
 }
 
-main
\ No newline at end of file
+main $1
\ No newline at end of file