games/mangband: Fix 15.0 build.

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

games/mangband/mangband.SlackBuild

@@ -22,6 +22,8 @@
 #  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+# 20220220 bkw: Modified by SlackBuilds.org: fix build on 15.0.
+
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=mangband
@@ -40,9 +42,6 @@ fi
 
 set -e
 
-# 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
@@ -75,12 +74,11 @@ 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 {} \+
 
-CFLAGS="$SLKCFLAGS" \
-#Remove --with-sdl=no SDL when bugs fixed
+CFLAGS="$SLKCFLAGS -fcommon" \
 ./configure \
   --prefix=/usr \
   --with-libpath=/usr/share/games/mangband \
@@ -91,7 +89,7 @@ CFLAGS="$SLKCFLAGS" \
   --with-sdl=no
 
 make
-make install DESTDIR=$PKG
+make install-strip DESTDIR=$PKG
 
 #the real 'make install:'
 mkdir -p $PKG/usr/share/games