Implicit declaration of function 'isspace' in daoTest.c

[dumblob]

source/daoTest.c: In function ‘dao_test_inliner’:
source/daoTest.c:103:30: warning: implicit declaration of function ‘isspace’ [-Wimplicit-function-declaration]
  while( start < out->size && isspace( out->chars[start] ) ) start += 1;
                              ^~~~~~~