[Bug libgomp/64635] darwin produces libgomp-plugin-host_nonshm.1.dylib but tries to load libgomp-plugin-host_nonshm.so.1

[howarth at bromo dot med.uc.edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64635

--- Comment #21 from howarth at bromo dot med.uc.edu ---
Can someone please take this patch over and add the necessary license comments
for the new files? Thanks in advance.