[patch master v2] fix patching error by emty build_patches dir

[Jan-Tarek Butt]

---
 buildscript | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/buildscript b/buildscript
index 04942e6..43997bf 100755
--- a/buildscript
+++ b/buildscript
@@ -122,9 +122,11 @@ get_source() {
 }

 patch_target() {
-    for patch in "$PWD"/build_patches/openwrt/*.patch; do
-        patch --no-backup-if-mismatch -p0 -d "$target" -i "$patch"
-    done
+    if (( `ls $PWD/build_patches/openwrt/*.patch 2> /dev/null | wc -l` )); then
+        for patch in "$PWD"/build_patches/openwrt/*.patch; do
+            patch --no-backup-if-mismatch -p0 -d "$target" -i "$patch"
+        done
+    fi
 }

 prepare() {
--
2.9.3