1f32ec761c
Otherwise it complains about a set but unused variable:
```
../src/basic/hashmap.c:1070:48: error: variable 'n_rehashed' set but not used [-Werror,-Wunused-but-set-variable]
unsigned old_n_buckets, new_n_buckets, n_rehashed, new_n_entries;
^
1 error generated.
```
(cherry picked from commit 3b2b3d298541fbf20a05553cc3a1b1bf173ccf3f)
System and Service Manager
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