Fix potential memory leak. #73

Chernov Dmitriy

2016-03-02 3344d1a728d37f0fb3e82a6a945eee0c780eb734

 libscpi/src/lexer_private.h

@@ -58,6 +58,7 @@
    int scpiLex_Semicolon(lex_state_t * state, scpi_token_t * token) LOCAL;
    int scpiLex_Colon(lex_state_t * state, scpi_token_t * token) LOCAL;
    int scpiLex_NewLine(lex_state_t * state, scpi_token_t * token) LOCAL;
    int scpiLex_SpecificCharacter(lex_state_t * state, scpi_token_t * token, char chr) LOCAL;

#ifdef   __cplusplus
}