audio/klick: Fix build for -current.

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

audio/klick/klick.SlackBuild

@@ -6,6 +6,8 @@
 
 # Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.
 
+# 20170620 bkw: add -fpermissive to cflags, for -current's gcc7.
+
 PRGNAM=klick
 VERSION=${VERSION:-0.12.2}
 BUILD=${BUILD:-1}
@@ -56,7 +58,7 @@ find -L . \
 OPTS="RUBBERBAND=${RUBBERBAND:-no} OSC=${LIBLO:-yes}"
 
 # hate scons. This mess forces CFLAGS.
-SCONSCFLAGS=$( echo "$SLKCFLAGS" | sed "s/\([^ ]\+\)/'\1', /g" )
+SCONSCFLAGS=$( echo "$SLKCFLAGS -fpermissive" | sed "s/\([^ ]\+\)/'\1', /g" )
 sed -i "s/'-O2', /$SCONSCFLAGS/" SConstruct
 
 scons $OPTS PREFIX=/usr