Misc. typos

Found using `codespell -q 3 -w --skip="*.svg,*.po,*.ts,./share/tutorials,./src/libavoid,./packaging/win32/languages,./man,./src/2geom" -I ../inkscape-whitelist.txt`
whereby whitelist file contained:
```
dum
iff
glight
substract
te
upto
```

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ui/widget/font-variants.cpp b/src/ui/widget/font-variants.cpp
index d1755a6d5..f6c81df3b 100644
--- a/src/ui/widget/font-variants.cpp
+++ b/src/ui/widget/font-variants.cpp
@@ -563,7 +563,7 @@ namespace Widget {
           if( (it = table_copy.find("zero")) != table_copy.end() ) table_copy.erase( it );
           std::string ott_list = "OpenType tables not included above: ";
           for(it = table_copy.begin(); it != table_copy.end(); ++it) {
-              // std::cout << "Other: " << it->first << "  Occurances: " << it->second << std::endl;
+              // std::cout << "Other: " << it->first << "  Occurrences: " << it->second << std::endl;
               ott_list += it->first;
               ott_list += ", ";
           }