Fix BdG compiler after update to newer version

cmake/source_list_KKRhost.txt

@@ -391,6 +391,7 @@ if(ENABLE_BdG)
         source/common/radial_solver_Chebychev/rll_global_solutions.F90 
         source/common/radial_solver_Chebychev/sll_global_solutions.F90 
         source/common/radial_solver_Chebychev/create_newmesh.f90 
+        source/KKRhost/runoptions.F90
         source/KKRhost/wunfiles.F90
         source/KKRhost/main_tmat_runner.F90
         source/KKRhost/global_variables.F90 

source/KKRhost/main1a_dummy_BdG.f90

@@ -27,6 +27,7 @@ subroutine main1a_dummy
   use :: mod_main0, only: ielast, natyp, nspin, lmax, nsra, iend, lly, deltae, idoldau, ncheb, cleb, icleb, ez, npan_tot, &
     lopt, ipan_intervall, zat, socscale, rnew, rpan_intervall, wldau
   use :: mod_ioinput, only: ioinput
+  use :: mod_runoptions, only:write_BdG_tests
 
 
   implicit none
@@ -51,7 +52,7 @@ subroutine main1a_dummy
   ! for data import:
   character (len=25) :: dummy
   integer :: ier
-  character (len=256) :: uio                               ! NCOLIO=256
+  character (len=:), allocatable :: uio           ! NCOLIO=256
 
 
   ! BdG specific:

source/KKRhost/main_tmat_runner.F90

@@ -21,7 +21,7 @@ program tmat_runner
   use :: mod_timing
   use :: mod_md5sums
   use :: memoryhandling
-  use :: mod_version_info, only: version_print_header
+  use :: mod_version_info, only: version_print_header, construct_serialnr
   use :: global_variables
   use :: mod_datatypes, only: dp
   use :: mod_mympi, only: mympi_init, myrank, nranks, master, mpiatom, mpiadapt

source/KKRhost/tmat_newsolver.F90

@@ -151,7 +151,7 @@ contains
     character (len=100) :: filename
     complex (kind=dp) :: e_shift
     integer :: ier, KBdG
-    character (len=256) :: uio
+    character (len=:), allocatable :: uio
     !-------------------------------------------------------------------------------
 
 #ifdef CPP_OMP