possible bug in geometry_geometrytype (strncat overlap)

[strk]

In file included from /usr/include/string.h:640:0,
                 from /home/postgresql-9.3.4/include/server/c.h:74,
                 from /home/postgresql-9.3.4/include/server/postgres.h:47,
                 from lwgeom_ogc.c:13:
In function ‘strncat’,
    inlined from ‘geometry_geometrytype’ at lwgeom_ogc.c:183:9:
/usr/include/x86_64-linux-gnu/bits/string3.h:150:3: warning: call to __builtin___strncat_chk might overflow destination buffer [enabled by default]
   return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest));
   ^

[pramsey]

Fixed at r13269