games/frogatto: Switch to clang, remove -Werror.

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>

games/frogatto/frogatto.SlackBuild

@@ -69,13 +69,13 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
-# Fix linking with boost libs
-sed -i 's,-mt,,g' Makefile
+# Fix linking with boost libs and remove -Werror
+sed -i -e 's,-mt,,g' -e 's, -Werror,,' Makefile
 
 make \
   OPTIMIZE=no \
   USE_CCACHE=no \
-  CXX=g++ \
+  CXX=clang++ \
   CXXFLAGS="$SLKCFLAGS" \
   LDFLAGS="-L/usr/lib${LIBDIRSUFFIX}"