removed declaration of dtls_connect() as extern function
removed declaration of dtls_connect() as extern function

OlegHahm/tinydtls,LaKabane/tinydtls,nmacs/tinydtls,nmacs/tinydtls,spark/tinydtls,jvermillard/tinydtls,OlegHahm/tinydtls,spark/tinydtls,thecodemaiden/tinydtls-fork,thecodemaiden/tinydtls-fork,jvermillard/tinydtls,malvira/tinydtls-code,nmacs/tinydtls,LaKabane/tinydtls,spark/tinydtls,fvdnabee/tinydtls,malvira/tinydtls-code,yunus/TinyDTLS-WebID,OlegHahm/tinydtls,nmacs/tinydtls,yunus/TinyDTLS-WebID,jvermillard/tinydtls,thecodemaiden/tinydtls-fork,yunus/TinyDTLS-WebID,fvdnabee/tinydtls,fvdnabee/tinydtls