Fix SWIG version reference in recent doc change

The upcoming release is 4.1.0 not 4.2.0.
This commit is contained in:
Olly Betts 2022-10-05 13:48:21 +13:00
commit befcd1bf58

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@ -149,7 +149,7 @@ SWIGXML Defined when using XML
<p>
SWIG also defines <tt>SWIG_VERSION</tt> and a target language macro in
the generated wrapper file (since SWIG 4.2.0 - in older versions these
the generated wrapper file (since SWIG 4.1.0 - in older versions these
were defined for some target languages but this wasn't consistent). Best
practice is to use SWIG-time conditional checks because that results in smaller
generated wrapper sources.