Fix operator-- in some of the new iterators
Found in compiler warning:
```
../Type-OpenVolumeMesh/libs/OpenVolumeMesh/src/OpenVolumeMesh/Core/Iterators.cc:1558:18: warning: equality comparison result unused [-Wunused-comparison]
hf_iter_ == halffaces.end();
```
| Status | Job ID | Name | Coverage | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Test | |||||||||
| passed |
#78196
VS2015
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VS2015-32-bit |
00:01:16
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| passed |
#78195
VS2015
|
VS2015-64-bit |
00:01:27
|
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| passed |
#78194
VS2017
|
VS2017-32-bit |
00:01:30
|
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| passed |
#78193
VS2015
|
VS2017-64-bit |
00:01:22
|
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| passed |
#78190
Linux
|
clang-c++11 |
00:04:06
|
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| passed |
#78192
Linux
|
cppcheck |
00:03:32
|
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| passed |
#78197
Linux
|
doc |
00:00:23
|
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| passed |
#78189
Linux
|
gcc-c++11 |
00:04:08
|
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| passed |
#78191
Apple
|
macos-c++11 |
00:03:09
|
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