libload: fix a bug where even in a non-LocalFirst symbol lookup, we would look locally in the main parent object (which broke R_386_COPY lookups for things like _impure_ptr).
libload: fix a bug where even in a non-LocalFirst symbol lookup, we would look locally in the main parent object (which broke R_386_COPY lookups for things like _impure_ptr).

jmolloy/pedigree,jmolloy/pedigree,jmolloy/pedigree,jmolloy/pedigree,jmolloy/pedigree,jmolloy/pedigree,jmolloy/pedigree