added gridmode patch

PKGBUILD

@@ -18,6 +18,7 @@ _patches=(
         "https://dwm.suckless.org/patches/attachaside/dwm-attachaside-20180126-db22360.diff"
         "https://dwm.suckless.org/patches/autostart/dwm-autostart-20161205-bb3bd6f.diff"
         "https://dwm.suckless.org/patches/cyclelayouts/dwm-cyclelayouts-20180524-6.2.diff"
+        "https://dwm.suckless.org/patches/gridmode/dwm-gridmode-20170909-ceac8c9.diff"
         )
 
 source=(http://dl.suckless.org/dwm/dwm-$pkgver.tar.gz
@@ -26,17 +27,19 @@ source=(http://dl.suckless.org/dwm/dwm-$pkgver.tar.gz
 	"${_patches[@]}")
 
 md5sums=('9929845ccdec4d2cc191f16210dd7f3d'
-         '40ee758824a08469db3af95ab15d2222'
+         '30c9a90a677935fb17b2fd0a4ae74f3f'
          '939f403a71b6e85261d09fc3412269ee'
          '2c19f1a3db59e158c45483668f4cee24'
          'fbb786263f2d714b18368ff64779d669'
          'c75af619c04cfae7b9740ec140d1dc6c'
          '46ff022e2a2c6139e71399eb19d1aebb'
-         '5baffd8c124095d06b133e9b31a854b2')
+         '5baffd8c124095d06b133e9b31a854b2'
+         '6055775113fd4dc06200bc6aaafb72fb')
 
 prepare() {
   cd $srcdir/$pkgname-$pkgver
-  
+  sed -i "25 a \ \t{ NULL,       NULL }," "$srcdir/$(basename ${_patches[5]})"
+
   for patch in "${_patches[@]}"; do
     echo "Applying patch $(basename $patch)..."
     patch -Np1 -i "$srcdir/$(basename $patch)"