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Rebuild against cfitsio v3370
RHEL7-64
./configure --prefix=/afs/slac/g/glast/ground/GLAST_EXT/redhat7-x86_64-64bit-gcc48/wcslib/4.25.1-gl1 --without-pgplot --with-cfitsiolib=/afs/slac/g/glast/ground/GLAST_EXT/redhat7-x86_64-64bit-gcc48/cfitsio/v3370/lib --with-cfitsioinc=/afs/slac/g/glast/ground/GLAST_EXT/redhat7-x86_64-64bit-gcc48/cfitsio/v3370/include --disable-fortran
RHEL6-64
./configure --prefix=/afs/slac/g/glast/ground/GLAST_EXT/redhat6-x86_64-64bit-gcc44/wcslib/4.25.1-gl1 --without-pgplot --with-cfitsiolib=/afs/slac/g/glast/ground/GLAST_EXT/redhat6-x86_64-64bit-gcc44/cfitsio/v3370/lib --with-cfitsioinc=/afs/slac/g/glast/ground/GLAST_EXT/redhat6-x86_64-64bit-gcc44/cfitsio/v3370/include --disable-fortran
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