Make spandsp more toelrant of far end's handling of metric/inch in FAX processing

libs/spandsp/src/t30.c

@@ -1804,8 +1804,8 @@ static int analyze_rx_dis_dtc(t30_state_t *s, const uint8_t *msg, int len)
     }
     else
     {
-        if (!test_ctrl_bit(s->far_dis_dtc_frame, T30_DIS_BIT_INCH_RESOLUTION_PREFERRED))
-            s->mutual_colour_resolutions &= ~T4_RESOLUTION_200_200;
+        //if (!test_ctrl_bit(s->far_dis_dtc_frame, T30_DIS_BIT_INCH_RESOLUTION_PREFERRED))
+        //    s->mutual_colour_resolutions &= ~T4_RESOLUTION_200_200;
     }
     if (!test_ctrl_bit(s->far_dis_dtc_frame, T30_DIS_BIT_INCH_RESOLUTION_PREFERRED))
         s->mutual_bilevel_resolutions &= ~T4_RESOLUTION_200_100;