Bug #62933: compilation error with ICU 3.4

Author: cataphract

ext/intl/common/common_error.c

@@ -240,7 +240,9 @@ void intl_expose_icu_error_codes( INIT_FUNC_ARGS )
 	INTL_EXPOSE_CONST( U_IDNA_ACE_PREFIX_ERROR );
 	INTL_EXPOSE_CONST( U_IDNA_VERIFICATION_ERROR );
 	INTL_EXPOSE_CONST( U_IDNA_LABEL_TOO_LONG_ERROR );
+#if U_ICU_VERSION_MAJOR_NUM > 3 || U_ICU_VERSION_MAJOR_NUM == 3 && U_ICU_VERSION_MINOR_NUM >= 6
 	INTL_EXPOSE_CONST( U_IDNA_ZERO_LENGTH_LABEL_ERROR );
+#endif
 #if U_ICU_VERSION_MAJOR_NUM > 3 || U_ICU_VERSION_MAJOR_NUM == 3 && U_ICU_VERSION_MINOR_NUM >= 8
 	INTL_EXPOSE_CONST( U_IDNA_DOMAIN_NAME_TOO_LONG_ERROR );
 #endif