[Geany-devel] A few fixes for codenav, geanygdb, geanyinsertnum and geanylatex

[Colomban Wendling]

Hi plugin maintainers,

In context of the "ideas on increasing quality of plugins" thread, I
tested a few code checker on geany-plugins trunk, and cppcheck found a
few little problems:

[./codenav/src/switch_head_impl.c:144]: (error) Memory leak: lang
[./geanygdb/src/gdb-io-frame.c:186]: (error) Possible null pointer
dereference: lv
[./geanyinsertnum/src/insertnum.c:156]: (error) Memory leak: line_pos
[./geanylatex/src/templates.c:47]: (error) Memory leak: template

I also attach here the fixes I propose for them, if you're interested.

Regards,
Colomban
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