build warning

[DStrelak]

g++ (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0

libraries/reconstruction/nma_alignment_vol.cpp: In member function 'virtual double ObjFunc_nma_alignment_vol::eval(Vector, int*)':
libraries/reconstruction/nma_alignment_vol.cpp:276:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   fscanf(global_nma_vol_prog->AnglesShiftsAndScore, "%f,", &global_nma_vol_prog->fit_value);
   ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libraries/reconstruction/nma_alignment_vol.cpp:293:16: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
          fscanf(global_nma_vol_prog->AnglesShiftsAndScore, "%f,", &global_nma_vol_prog->Best_Angles_Shifts[i]);
          ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Didn't we have this warning before?

[MohamadHarastani]

I didn't notice this warning before. We had another warning for the same reason here. I will take a look at the fix and do something similar asap.