MFH: r474830

games/dungeoncrawl: unbreak with Clang 6

direct.cc:47:32: error: constant expression evaluates to -1 which cannot be narrowed to type 'char' [-Wc++11-narrowing]
static const char xcomp[9] = { -1, 0, 1, -1, 0, 1, -1, 0, 1 };

^~

describe.cc:216:28: warning: result of comparison of constant -2 with expression of type 'char' is always false [-Wtautological-constant-out-of-range-compare]

if (proprt[ RAP_FIRE ] < -2)
    ~~~~~~~~~~~~~~~~~~ ^ ~~

PR: 229723
Submitted by: Greg V
Reported by: pkg-fallout
Approved by: ports-secteam blanket