src/dvbpsi.c: b_syntax_indicator and i_table_id were used before being initialized.

(cherry picked from commit 00af91a2)
Signed-off-by: Jean-Paul Saman <jpsaman@videolan.org>

src/dvbpsi.c

@@ -404,13 +404,15 @@ bool dvbpsi_packet_push(dvbpsi_t *p_dvbpsi, uint8_t* p_data)
             else
             {
                 bool b_valid_crc32 = false;
-                bool has_crc32 = dvbpsi_has_CRC32(p_section);
+                bool has_crc32;
 
                 /* PSI section is complete */
+                p_section->i_table_id = p_section->p_data[0];
                 p_section->b_syntax_indicator = p_section->p_data[1] & 0x80;
                 p_section->b_private_indicator = p_section->p_data[1] & 0x40;
 
                 /* Update the end of the payload if CRC_32 is present */
+                has_crc32 = dvbpsi_has_CRC32(p_section);
                 if (p_section->b_syntax_indicator || has_crc32)
                     p_section->p_payload_end -= 4;
 
@@ -421,7 +423,6 @@ bool dvbpsi_packet_push(dvbpsi_t *p_dvbpsi, uint8_t* p_data)
                 if (!has_crc32 || b_valid_crc32)
                 {
                     /* PSI section is valid */
-                    p_section->i_table_id = p_section->p_data[0];
                     if (p_section->b_syntax_indicator)
                     {
                         p_section->i_extension =  (p_section->p_data[3] << 8)