Removed idle MY_LEX_SIGNED_NUMBER

include/m_ctype.h

@@ -79,7 +79,7 @@ enum my_lex_states
 {
   MY_LEX_START, MY_LEX_CHAR, MY_LEX_IDENT, 
   MY_LEX_IDENT_SEP, MY_LEX_IDENT_START,
-  MY_LEX_FOUND_IDENT, MY_LEX_SIGNED_NUMBER, MY_LEX_REAL, MY_LEX_HEX_NUMBER,
+  MY_LEX_FOUND_IDENT, MY_LEX_REAL, MY_LEX_HEX_NUMBER,
   MY_LEX_CMP_OP, MY_LEX_LONG_CMP_OP, MY_LEX_STRING, MY_LEX_COMMENT, MY_LEX_END,
   MY_LEX_OPERATOR_OR_IDENT, MY_LEX_NUMBER_IDENT, MY_LEX_INT_OR_REAL,
   MY_LEX_REAL_OR_POINT, MY_LEX_BOOL, MY_LEX_EOL, MY_LEX_ESCAPE,