clang complaint: rec_split.c:1023:16: warning: variable 'parent' may be
uninitialized when used here [-Wconditional-uninitialized]
clang complaint: rec_write.c:2141:15: warning: variable 'result_len' may
be uninitialized when used here [-Wconditional-uninitialized]
clang complaints for unconditionalized variables; I don't believe either are
a real problem, flag them as compiler warnings.