Added check for patches directory

Author: Fabrizio Branca

build.sh

@@ -41,11 +41,9 @@ if [ ! -f 'tools/modman' ] ; then echo "Could not find modman script"; exit 1 ;
 if [ ! -d '.modman' ] ; then echo "Could not find .modman directory"; exit 1 ; fi
 if [ ! -f '.modman/.basedir' ] ; then echo "Could not find .modman/.basedir"; exit 1 ; fi
 
-if [ -f vendor/aoepeople/magento-deployscripts/apply_patches.sh ] ; then
+if [ -d patches ] && [ -f vendor/aoepeople/magento-deployscripts/apply_patches.sh ] ; then
     cd "${PROJECTROOTDIR}/htdocs" || { echo "Changing directory failed"; exit 1; }
-
     bash ../vendor/aoepeople/magento-deployscripts/apply_patches.sh || { echo "Error while applying patches"; exit 1; }
-
     cd ${PROJECTROOTDIR} || { echo "Changing directory failed"; exit 1; }
 fi