sane-backends ftbfs in eoan (armhf)

https://launchpadlibrarian.net/441263700/buildlog_ubuntu-eoan-armhf.sane-backends_1.0.27-3.2ubuntu2_BUILDING.txt.gz

dpkg-gensymbols: warning: debian/libsane/DEBIAN/symbols doesn't match completely debian/libsane.symbols.armhf
--- debian/libsane.symbols.armhf (libsane_1.0.27_armhf)
+++ dpkg-gensymbolsHF3hxU 2019-09-09 11:12:09.992951725 +0000
@@ -4304,7 +4304,7 @@
  sanei_constrain_value@Base 1.0.25
  sanei_debug_msg@Base 1.0.25
  sanei_debug_mustek@Base 1.0.25
- sanei_debug_sanei_ab306@Base 1.0.25
+#MISSING: 1.0.27# sanei_debug_sanei_ab306@Base 1.0.25
  sanei_debug_sanei_config@Base 1.0.25
  sanei_debug_sanei_debug@Base 1.0.25
  sanei_debug_sanei_pa4s2@Base 1.0.25
@@ -5390,7 +5390,7 @@
  sanei_pp_outb_addr@Base 1.0.25
  sanei_pp_outb_ctrl@Base 1.0.25
  sanei_pp_outb_data@Base 1.0.25
- sanei_pp_outb_epp@Base 1.0.25
+#MISSING: 1.0.27# sanei_pp_outb_epp@Base 1.0.25
  sanei_pp_release@Base 1.0.25
  sanei_pp_set_datadir@Base 1.0.25
  sanei_pp_setmode@Base 1.0.25
@@ -5452,59 +5452,6 @@
  sanei_debug_sanei_config@Base 1.0.25
  sanei_debug_sanei_debug@Base 1.0.25
  sanei_init_debug@Base 1.0.25
-libsane-qcam.so.1 libsane #MINVER#
- md5_buffer@Base 1.0.27
- md5_finish_ctx@Base 1.0.27
- md5_init_ctx@Base 1.0.27
- md5_process_block@Base 1.0.27
- md5_process_bytes@Base 1.0.27
- md5_read_ctx@Base 1.0.27
- md5_stream@Base 1.0.27
- sane_cancel@Base 1.0.25
- sane_close@Base 1.0.25
- sane_control_option@Base 1.0.25
- sane_exit@Base 1.0.25
- sane_get_devices@Base 1.0.25
- sane_get_option_descriptor@Base 1.0.25
- sane_get_parameters@Base 1.0.25
- sane_get_select_fd@Base 1.0.25
- sane_init@Base 1.0.25
- sane_open@Base 1.0.25
- sane_qcam_cancel@Base 1.0.25
- sane_qcam_close@Base 1.0.25
- sane_qcam_control_option@Base 1.0.25
- sane_qcam_exit@Base 1.0.25
- sane_qcam_get_devices@Base 1.0.25
- sane_qcam_get_option_descriptor@Base 1.0.25
- sane_qcam_get_parameters@Base 1.0.25
- sane_qcam_get_select_fd@Base 1.0.25
- sane_qcam_init@Base 1.0.25
- sane_qcam_open@Base 1.0.25
- sane_qcam_read@Base 1.0.25
- sane_qcam_set_io_mode@Base 1.0.25
- sane_qcam_start@Base 1.0.25
- sane_read@Base 1.0.25
- sane_set_io_mode@Base 1.0.25
- sane_start@Base 1.0.25
- sane_strstatus@Base 1.0.25
- sanei_check_value@Base 1.0.25
- sanei_config_get_paths@Base 1.0.25
- sanei_config_get_string@Base 1.0.25
- sanei_config_open@Base 1.0.25
- sanei_config_read@Base 1.0.25
- sanei_config_skip_whitespace@Base 1.0.25
- sanei_configure_attach@Base 1.0.25
- sanei_constrain_value@Base 1.0.25
- sanei_debug_msg@Base 1.0.25
- sanei_debug_qcam@Base 1.0.25
- sanei_debug_sanei_config@Base 1.0.25
- sanei_debug_sanei_debug@Base 1.0.25
- sanei_debug_sanei_pio@Base 1.0.25
- sanei_init_debug@Base 1.0.25
- sanei_pio_close@Base 1.0.25
- sanei_pio_open@Base 1.0.25
- sanei_pio_read@Base 1.0.25
- sanei_pio_write@Base 1.0.25
 libsane-ricoh.so.1 libsane #MINVER#
  md5_buffer@Base 1.0.27
  md5_finish_ctx@Base 1.0.27
@@ -7142,7 +7089,7 @@
  sanei_constrain_value@Base 1.0.24
  sanei_debug_dll@Base 1.0.25
  sanei_debug_msg@Base 1.0.24
- sanei_debug_sanei_ab306@Base 1.0.25
+#MISSING: 1.0.27# sanei_debug_sanei_ab306@Base 1.0.25
  sanei_debug_sanei_access@Base 1.0.25
  sanei_debug_sanei_config@Base 1.0.24
  sanei_debug_sanei_debug@Base 1.0.24
@@ -7204,7 +7151,7 @@
  sanei_pp_outb_addr@Base 1.0.25
  sanei_pp_outb_ctrl@Base 1.0.25
  sanei_pp_outb_data@Base 1.0.25
- sanei_pp_outb_epp@Base 1.0.25
+#MISSING: 1.0.27# sanei_pp_outb_epp@Base 1.0.25
  sanei_pp_release@Base 1.0.25
  sanei_pp_set_datadir@Base 1.0.25
  sanei_pp_setmode@Base 1.0.25
dh_makeshlibs: failing due to earlier errors