games/sms_sdl: Fix icon.

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

games/sms_sdl/sms_sdl.SlackBuild

@@ -6,6 +6,9 @@
 
 # Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.
 
+# 20200104 bkw:
+# - Whoops! The sms_sdl.png icon was actually a .gif. Fix & bump BUILD.
+
 # 20160804 bkw:
 # - fix and enhance sms_sdl.sh (qv), bump BUILD
 
@@ -19,7 +22,7 @@
 
 PRGNAM=sms_sdl
 VERSION=${VERSION:-0.9.4a_r7.1}
-BUILD=${BUILD:-3}
+BUILD=${BUILD:-4}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -60,11 +63,8 @@ rm -rf $PRGNAM-$SRCVER
 unzip $CWD/$PRGNAM-$SRCVER-src.zip
 cd $PRGNAM-$SRCVER
 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 \
- \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
- -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
+        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+
 
 # Sorry for all the patches, upstream has been unmaintained since 2001 or so.