Remove a warning from discarded-qualifiers#4058
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I've been seeing this for a while now:
```
../../../../ext/prism/../../src/memchr.c: In function ‘pm_memchr’:
../../../../ext/prism/../../src/memchr.c:35:16: warning: return discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
35 | return memchr(memory, character, number);
| ^~~~~~
```
kddnewton
approved these changes
Apr 1, 2026
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I've been seeing this for a while now: