Merge branch 'keith/compiler_warnings' into 'master'

Fixed compiler warnings

See merge request SDF/SDF_FORTRAN!33
3 jobs for master in 0 seconds (queued for 62 minutes and 51 seconds)
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Status Job ID Name Coverage
  Test
failed #17303
osx
test_osx

failed #17301
gfortran ubuntu
test_ubuntu_gfortran

failed #17302
ubuntu intel
test_ubuntu_intel

 
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test_osx Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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test_ubuntu_intel Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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test_ubuntu_gfortran Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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