sample.APKBUILD: rename _builddir to builddir

sample.APKBUILD

 # This is an example APKBUILD file. Use this as a start to creating your own,
-# and remove these comments. 
+# and remove these comments.
 # NOTE: Please fill out the license field for your package! If it is unknown,
 # then please put 'unknown'.
 
@@ -19,16 +19,14 @@ install=
 subpackages="$pkgname-dev $pkgname-doc"
 source="http://downloads.sourceforge.net/$pkgname/$pkgname-$pkgver.tar.gz"
 
-
-_builddir="$srcdir"/$pkgname-$pkgver
+builddir="$srcdir"/$pkgname-$pkgver
 
 prepare() {
-	cd "$_builddir"
-	# apply patches here
+	cd "$builddir"
 }
 
 build() {
-	cd "$_builddir"
+	cd "$builddir"
 	./configure --prefix=/usr \
 		--sysconfdir=/etc \
 		--mandir=/usr/share/man \
@@ -37,8 +35,8 @@ build() {
 }
 
 package() {
-	cd "$_builddir"
-	make DESTDIR="$pkgdir" install
+	cd "$builddir"
+	make DESTDIR="$pkgdir" install || return 1
 
 	# remove the 2 lines below (and this) if there is no init.d script
 	# install -m755 -D "$srcdir"/$pkgname.initd "$pkgdir"/etc/init.d/$pkgname