Simplify RTREE_HEIGHT_MAX definition.
Simplify RTREE_HEIGHT_MAX definition.

Use 1U rather than ZU(1) in macro definitions, so that the preprocessor
can evaluate the resulting expressions.

wqfish/jemalloc,wqfish/jemalloc,AndroidExternal/jemalloc,glandium/jemalloc,wqfish/jemalloc,AndroidExternal/jemalloc,8l/jemalloc,leebaok/jemalloc-4.2.1-readcode,glandium/jemalloc,8l/jemalloc,8l/jemalloc,AndroidExternal/jemalloc,jemalloc/jemalloc-cmake,leebaok/jemalloc-4.2.1-readcode,jemalloc/jemalloc-cmake,glandium/jemalloc,8l/jemalloc,wqfish/jemalloc,jemalloc/jemalloc-cmake,leebaok/jemalloc-4.2.1-readcode,wqfish/jemalloc,jemalloc/jemalloc-cmake,leebaok/jemalloc-4.2.1-readcode,glandium/jemalloc,AndroidExternal/jemalloc