test-utils: change http_debug command-line flag
test-utils: change http_debug command-line flag

g_test_init() intercepts "-h" for "help", so make http-debug be "-H"

jwendell/libsoup,jwendell/libsoup,fanc999/libsoup,jwendell/libsoup,fanc999/libsoup,jwendell/libsoup,fanc999/libsoup,fanc999/libsoup,fanc999/libsoup,jwendell/libsoup