Fix build for moab 4.9.2 on gcc8 (#12328)
```
5 errors found in build log:
609 CXX mbpart.o
610 CXX quality.o
611 CXX umr.o
612 CXX merge.o
613 CXX parread.o
614 mbpart.cpp: In function 'int main(int, char**)':
>> 615 mbpart.cpp:494:19: error: no match for 'operator<<' (operand types
are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'std::ostri
ngstream' {aka 'std::__cxx11::basic_ostringstream<char>'})
616 std::cerr << tmp_output_file << " : failed to write file."
<< std::endl;
617 ~~~~~~~~~~^~~~~~~~~~~~~~~~~~
618 mbpart.cpp:494:19: note: candidate: 'operator<<(int, int)' <built-i
n>
619 mbpart.cpp:494:19: note: no known conversion for argument 2 from
'std::ostringstream' {aka 'std::__cxx11::basic_ostringstream<char>'
} to 'int'
620 In file included from /software/user_tools/centos-7.2.1511/cades-ns
ed-spack/opt/spack/linux-centos7-x86_64/gcc-4.8.5/gcc-8.2.0-uc6sbum
ioobdbkw4rwfyn2givi4nyvwq/include/c++/8.2.0/iterator:64,
621 from /software/user_tools/centos-7.2.1511/cades-ns
ed-spack/var/spack/stage/moab-4.9.2-77uuzmj4ofb7z7vz6m25sftyks7p5do
7/spack-src/src/moab/Range.hpp:167,
...
886 /software/user_tools/centos-7.2.1511/cades-nsed-spack/opt/spack/lin
ux-centos7-x86_64/gcc-4.8.5/gcc-8.2.0-uc6sbumioobdbkw4rwfyn2givi4ny
vwq/include/c++/8.2.0/ostream:682:5: note: candidate: 'template<cla
ss _Ostream, class _Tp> typename std::enable_if<std::__and_<std::__
not_<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basi
c_ostream<_Ostream>, std::__is_insertable<typename std::__is_conver
tible_to_basic_ostream<_Tp>::__ostream_type, const _Tp&, void> >::v
alue, typename std::__is_convertible_to_basic_ostream<_Tp>::__ostre
am_type>::type std::operator<<(_Ostream&&, const _Tp&)'
887 operator<<(_Ostream&& __os, const _Tp& __x)
888 ^~~~~~~~
889 /software/user_tools/centos-7.2.1511/cades-nsed-spack/opt/spack/lin
ux-centos7-x86_64/gcc-4.8.5/gcc-8.2.0-uc6sbumioobdbkw4rwfyn2givi4ny
vwq/include/c++/8.2.0/ostream:682:5: note: template argument dedu
ction/substitution failed:
890 /software/user_tools/centos-7.2.1511/cades-nsed-spack/opt/spack/lin
ux-centos7-x86_64/gcc-4.8.5/gcc-8.2.0-uc6sbumioobdbkw4rwfyn2givi4ny
vwq/include/c++/8.2.0/ostream: In substitution of 'template<class _
Ostream, class _Tp> typename std::enable_if<std::__and_<std::__not_
<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basic_os
tream<_Ostream>, std::__is_insertable<typename std::__is_convertibl
e_to_basic_ostream<_Tp>::__ostream_type, const _Tp&, void> >::value
, typename std::__is_convertible_to_basic_ostream<_Tp>::__ostream_t
ype>::type std::operator<<(_Ostream&&, const _Tp&) [with _Ostream =
std::basic_ostream<char>&; _Tp = std::__cxx11::basic_ostringstream
<char>]':
891 mbpart.cpp:494:22: required from here
>> 892 /software/user_tools/centos-7.2.1511/cades-nsed-spack/opt/spack/lin
ux-centos7-x86_64/gcc-4.8.5/gcc-8.2.0-uc6sbumioobdbkw4rwfyn2givi4ny
vwq/include/c++/8.2.0/ostream:682:5: error: no type named 'type' in
'struct std::enable_if<false, std::basic_ostream<char>&>'
893 CXXLD mbdepth
894 CXXLD hexmodops
>> 895 make[2]: *** [mbpart.o] Error 1
896 make[2]: *** Waiting for unfinished jobs....
897 make[2]: Leaving directory `/localscratch/tmp/s3j-spack/spack-stage
/spack-stage-NT13kT/spack-src/tools'
>> 898 make[1]: *** [all-recursive] Error 1
899 make[1]: Leaving directory `/localscratch/tmp/s3j-spack/spack-stage
/spack-stage-NT13kT/spack-src/tools'
>> 900 make: *** [all-recursive] Error 1
```
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