libraries/gtk-sharp: Fix docs.

Signed-off-by: B. Watson <yalhcru@gmail.com>

libraries/gtk-sharp/gtk-sharp.SlackBuild

@@ -22,11 +22,14 @@
 #  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+# 20220422 bkw: Modified by SlackBuilds.org, BUILD=3:
+# - fix doc permissions.
+
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=gtk-sharp
 VERSION=${VERSION:-2.12.45}
-BUILD=${BUILD:-2}
+BUILD=${BUILD:-3}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 
@@ -38,9 +41,6 @@ if [ -z "$ARCH" ]; then
   esac
 fi
 
-# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
-# the name of the created package would be, and then exit. This information
-# could be useful to other scripts.
 if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
   echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
   exit 0
@@ -75,9 +75,9 @@ cd $PRGNAM-$VERSION
 chown -R root:root .
 find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
-  -o -perm 511 \) -exec chmod 755 {} \; -o \
+  -o -perm 511 \) -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
-  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \+
 
 patch -p1 < $CWD/gtk-sharp2-2.12.12-gtkrange.patch
 
@@ -103,7 +103,7 @@ find $PKG -name perllocal.pod \
   | xargs rm -f
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
-cp -a \
+install -m0644 \
   AUTHORS COPYING ChangeLog HACKING NEWS README \
   $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild