a patch for muduo

--- PKGBUILD    2015-12-01 06:43:18.000000000 +0800
+++ /tmp/muduo/PKGBUILD 2016-02-08 18:27:16.953594526 +0800
@@ -15,10 +15,11 @@

 build() {
   cd muduo-$pkgver
+  sed -i '/-Werror/d' CMakeLists.txt
   BUILD_NO_EXAMPLES=1 INSTALL_DIR=/usr ./build.sh
 }

 package() {
-  cd build/Release
+  cd build/release
   make install DESTDIR="$pkgdir"
 }