Eliminate compiler warnings related to strict aliasing for path

warning: dereferencing pointer #path# does break strict-aliasing rules

Signed-off-by: Hal Rosenstock <hal@mellanox.com>
ssa.c: Eliminate remaining compiler warnings related to strict aliasing

src/ssa.c: In function ‘ssa_ctrl_run’:
src/ssa.c:3913: warning: dereferencing pointer ‘conn_req’ does break strict-aliasing rules
src/ssa.c:3912: note: initialized from here
src/ssa.c: In function ‘ssa_upstream_handler’:
src/ssa.c:1381: warning: dereferencing pointer ‘conn_req’ does break strict-aliasing rules
src/ssa.c:1374: warning: dereferencing pointer ‘conn_req’ does break strict-aliasing rules
src/ssa.c:1373: warning: dereferencing pointer ‘conn_req’ does break strict-aliasing rules
src/ssa.c:1371: warning: dereferencing pointer ‘conn_req’ does break strict-aliasing rules
src/ssa.c:1368: warning: dereferencing pointer ‘conn_req’ does break strict-aliasing rules
src/ssa.c:1365: warning: dereferencing pointer ‘conn_req’ does break strict-aliasing rules
src/ssa.c:1362: warning: dereferencing pointer ‘conn_req’ does break strict-aliasing rules
src/ssa.c:1359: warning: dereferencing pointer ‘conn_req’ does break strict-aliasing rules
src/ssa.c:1357: warning: dereferencing pointer ‘conn_req’ does break strict-aliasing rules
src/ssa.c:1356: note: initialized from here

Signed-off-by: Hal Rosenstock <hal@mellanox.com>