games/tuxnes: Fix 15.0 build.

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

games/tuxnes/tuxnes.SlackBuild

@@ -20,9 +20,6 @@ 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
@@ -57,9 +54,9 @@ 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 {} \+
 
 # __FUNCTION__ is now a variable instead of a static string/macro in GCC 3.4+.
 # Replace __FUNCTION__ with the actual function names where it appears.
@@ -73,7 +70,7 @@ autoheader
 automake -a
 autoconf
 
-CFLAGS="$SLKCFLAGS -fno-strict-aliasing" \
+CFLAGS="$SLKCFLAGS -fno-strict-aliasing -fcommon" \
 ./configure \
   --prefix=/usr \
   --sysconfdir=/etc \