mc_pos_control: always use fabsf and not fabs
mc_pos_control: always use fabsf and not fabs

Aerotenna/Firmware,acfloria/Firmware,dagar/Firmware,mcgill-robotics/Firmware,jlecoeur/Firmware,mje-nz/PX4-Firmware,krbeverx/Firmware,mje-nz/PX4-Firmware,dagar/Firmware,acfloria/Firmware,mcgill-robotics/Firmware,jlecoeur/Firmware,mcgill-robotics/Firmware,dagar/Firmware,Aerotenna/Firmware,acfloria/Firmware,mcgill-robotics/Firmware,acfloria/Firmware,krbeverx/Firmware,Aerotenna/Firmware,PX4/Firmware,PX4/Firmware,jlecoeur/Firmware,Aerotenna/Firmware,krbeverx/Firmware,jlecoeur/Firmware,acfloria/Firmware,jlecoeur/Firmware,PX4/Firmware,jlecoeur/Firmware,mcgill-robotics/Firmware,dagar/Firmware,PX4/Firmware,mcgill-robotics/Firmware,PX4/Firmware,Aerotenna/Firmware,Aerotenna/Firmware,PX4/Firmware,krbeverx/Firmware,mje-nz/PX4-Firmware,mje-nz/PX4-Firmware,dagar/Firmware,dagar/Firmware,dagar/Firmware,acfloria/Firmware,mje-nz/PX4-Firmware,jlecoeur/Firmware,krbeverx/Firmware,mje-nz/PX4-Firmware,mcgill-robotics/Firmware,krbeverx/Firmware,PX4/Firmware,krbeverx/Firmware,mje-nz/PX4-Firmware,acfloria/Firmware,jlecoeur/Firmware,Aerotenna/Firmware