src/core/ngx_sha1.c:242: error: Uninitialized Value
  The value read from words[_] was never initialized.

src/core/ngx_sha1.c:242:9: 
240.         STEP(F3, a, b, c, d, e, words[45], 0x8f1bbcdc);
241.         STEP(F3, a, b, c, d, e, words[46], 0x8f1bbcdc);
242.         STEP(F3, a, b, c, d, e, words[47], 0x8f1bbcdc);
             ^
243.         STEP(F3, a, b, c, d, e, words[48], 0x8f1bbcdc);
244.         STEP(F3, a, b, c, d, e, words[49], 0x8f1bbcdc);
