ssl_test: make lcppm5() static, initialize variables mentioned in warnings
Make lcppm5() static, initialize variables offset_to_read,
offset_to_write, read_buf and write_buf. Fixes the following
warnings:
test/ssl_test.c:110: warning: no previous prototype
for ‘lcppm5’
test/ssl_test.c: In function ‘ssl_test’:
test/ssl_test.c:145: warning: ‘offset_to_read’ may be
used uninitialized in this function
test/ssl_test.c:146: warning: ‘offset_to_write’ may be
used uninitialized in this function
test/ssl_test.c:154: warning: ‘read_buf’ may be used
uninitialized in this function
test/ssl_test.c:155: warning: ‘write_buf’ may be used
uninitialized in this function