Move actual_protocol_version declaration closer to use (#1997)
Move actual_protocol_version declaration closer to use (#1997)

Previously this variable was declared in a spot where it could be easily
confused for a different variable(lots of *_procol_version variables in
this function).
colmmacc/s2n,PKRoma/s2n,awslabs/s2n,wcs1only/s2n,PKRoma/s2n,PKRoma/s2n,wcs1only/s2n,colmmacc/s2n,PKRoma/s2n,colmmacc/s2n,PKRoma/s2n,PKRoma/s2n,colmmacc/s2n,PKRoma/s2n,awslabs/s2n,awslabs/s2n,awslabs/s2n,PKRoma/s2n,awslabs/s2n,wcs1only/s2n,colmmacc/s2n,wcs1only/s2n,colmmacc/s2n,wcs1only/s2n,awslabs/s2n,wcs1only/s2n,wcs1only/s2n,wcs1only/s2n