#4995 Definite integral hangs

[Antonio Rojas]

The integral integrate(log(1+4/5*sin(x)),x,-3.1415, 3.1415); hangs in 5.50.

Bisected to https://sourceforge.net/p/maxima/code/ci/40a2ab9e38ffccb8129f6e5873e57429c0332f3b