src/core/ngx_sha1.c:263: error: Uninitialized Value
  The value read from words[_] was never initialized.

src/core/ngx_sha1.c:263:9: 
261.         STEP(F2, a, b, c, d, e, words[65], 0xca62c1d6);
262.         STEP(F2, a, b, c, d, e, words[66], 0xca62c1d6);
263.         STEP(F2, a, b, c, d, e, words[67], 0xca62c1d6);
             ^
264.         STEP(F2, a, b, c, d, e, words[68], 0xca62c1d6);
265.         STEP(F2, a, b, c, d, e, words[69], 0xca62c1d6);
