Ensure bin directory exists for bannertool

satellites/vcs/bannertool.sat

@@ -6,7 +6,10 @@ vcs_git "https://github.com/Steveice10/$name"
 header_end
 
 cd "$name"
+
+# Fix retarded build system
 sed -i -e "s@/usr/local@'$dir_install/$dir_prefix'@g" buildtools/make_base
+mkdir -p "$dir_install/$dir_prefix/bin"
 
 make
 make install